Python Operators: Arithmetic, Assignment, Comparison, Logical, Identity, Membership, Bitwise

Operators are special symbols that perform some operation on operands and returns the result. For example, 5 + 6 is an expression where + is an operator that performs arithmetic add operation on numeric left operand 5 and the right side operand 6 and returns a sum of two operands as a result.

Python includes the operator module that includes underlying methods for each operator. For example, the + operator calls the operator.add(a,b) method.

Above, expression 5 + 6 is equivalent to the expression operator.add(5, 6) and operator.__add__(5, 6) . Many function names are those used for special methods, without the double underscores (dunder methods). For backward compatibility, many of these have functions with the double underscores kept.

Python includes the following categories of operators:

Arithmetic Operators

Assignment operators, comparison operators, logical operators, identity operators, membership test operators, bitwise operators.

Arithmetic operators perform the common mathematical operation on the numeric operands.

The arithmetic operators return the type of result depends on the type of operands, as below.

  • If either operand is a complex number, the result is converted to complex;
  • If either operand is a floating point number, the result is converted to floating point;
  • If both operands are integers, then the result is an integer and no conversion is needed.

The following table lists all the arithmetic operators in Python:

The assignment operators are used to assign values to variables. The following table lists all the arithmetic operators in Python:

The comparison operators compare two operands and return a boolean either True or False. The following table lists comparison operators in Python.

The logical operators are used to combine two boolean expressions. The logical operations are generally applicable to all objects, and support truth tests, identity tests, and boolean operations.

The identity operators check whether the two objects have the same id value e.i. both the objects point to the same memory location.

The membership test operators in and not in test whether the sequence has a given item or not. For the string and bytes types, x in y is True if and only if x is a substring of y .

Bitwise operators perform operations on binary operands.

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types of assignment operators in python

Assignment Operators in Python

Assignment Operators in Python

Table of Contents

Assignment Operators will work on values and variables. They are the special symbols that hold arithmetic, logical, and bitwise computations. The value which the operator operates is referred to as the Operand.

Read this article about Assignment Operators in Python

What are Assignment Operators?

The assignment operator will function to provide value to variables. The table below is about the different types of Assignment operator

Here we have listed each of the Assignment operators

1. What is Assign Operator?

This assign operator will provide the value of the right side of the expression to the left operand.

2. What is Add and Assign

This Add and Assign operator will function to add the right side operand with the left side operator, and provide the result to the left operand.

3. What is Subtract and assign ?

This subtract and assign operator works to subtract the right operand from the left operand and give the result to the left operand.

4. What is Multiply and assign ?

This Multiply and assign will function to multiply the right operand with the left operand and will provide the result in the left operand.

5. What is Divide and assign Operator?

This functions to divide the left operand and provides results at the left operand.

6. What is Modulus and Assign Operator?

This operator functions using the modulus with the left and the right operand and provides results at the left operand.

7. What is Divide ( floor)and Assign Operator?

This operator will divide the left operand with the right operand, and provide the result at the left operand.

8. What is Exponent and Assign Operator?

This operator will function to evaluate the exponent and value with the operands and, provide output in the left operand.

9.What is Bitwise and Assign Operator?

This operator will function Bitwise AND on both the operand and provide the result on the left operand.

10. What is Bitwise OR and Assign Operator?

This operand will function Bitwise OR on the operand, and can provide result at the left operand.

11. What is Bitwise XOR and Assign Operator?

This operator will function for Bitwise XOR on the operands, and provide result at the left operand.

12. What is Bitwise Right Shift and Assign Operator?

This operator will function by providing the Bitwise shift on the operands and giving the result at the left operand.

13. What is Bitwise Left shift and Assign Operator?

This operator will function Bitwise left shift by providing the Bitwise left shift on the operands and giving the result on the left operand.

To conclude, different types of assignment operators are discussed in this. Beginners can improve their knowledge and understand how to apply the assignment operators through reading this.

Assignment Operators in Python- FAQs

Q1. what is an assignment statement in python.

Ans. It will calculate the expression list and can provide a single resulting object to each target list from left to right

Q2. What is the compound operator in Python?

Ans. The compound operator will do the operation of a binary operator and will save the result of the operation at the left operand.

Q3. What are the two types of assignment statements

Ans. Simple Assignment Statements and Reference Assignment Statements are the two types of assignment statements.

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Operators are special symbols that perform operations on variables and values. For example,

Here, + is an operator that adds two numbers: 5 and 6 .

  • Types of Python Operators

Here's a list of different types of Python operators that we will learn in this tutorial.

  • Arithmetic Operators
  • Assignment Operators
  • Comparison Operators
  • Logical Operators
  • Bitwise Operators
  • Special Operators

1. Python Arithmetic Operators

Arithmetic operators are used to perform mathematical operations like addition, subtraction, multiplication, etc. For example,

Here, - is an arithmetic operator that subtracts two values or variables.

Example 1: Arithmetic Operators in Python

In the above example, we have used multiple arithmetic operators,

  • + to add a and b
  • - to subtract b from a
  • * to multiply a and b
  • / to divide a by b
  • // to floor divide a by b
  • % to get the remainder
  • ** to get a to the power b

2. Python Assignment Operators

Assignment operators are used to assign values to variables. For example,

Here, = is an assignment operator that assigns 5 to x .

Here's a list of different assignment operators available in Python.

Example 2: Assignment Operators

Here, we have used the += operator to assign the sum of a and b to a .

Similarly, we can use any other assignment operators as per our needs.

3. Python Comparison Operators

Comparison operators compare two values/variables and return a boolean result: True or False . For example,

Here, the > comparison operator is used to compare whether a is greater than b or not.

Example 3: Comparison Operators

Note: Comparison operators are used in decision-making and loops . We'll discuss more of the comparison operator and decision-making in later tutorials.

4. Python Logical Operators

Logical operators are used to check whether an expression is True or False . They are used in decision-making. For example,

Here, and is the logical operator AND . Since both a > 2 and b >= 6 are True , the result is True .

Example 4: Logical Operators

Note : Here is the truth table for these logical operators.

5. Python Bitwise operators

Bitwise operators act on operands as if they were strings of binary digits. They operate bit by bit, hence the name.

For example, 2 is 10 in binary, and 7 is 111 .

In the table below: Let x = 10 ( 0000 1010 in binary) and y = 4 ( 0000 0100 in binary)

6. Python Special operators

Python language offers some special types of operators like the identity operator and the membership operator. They are described below with examples.

  • Identity operators

In Python, is and is not are used to check if two values are located at the same memory location.

It's important to note that having two variables with equal values doesn't necessarily mean they are identical.

Example 4: Identity operators in Python

Here, we see that x1 and y1 are integers of the same values, so they are equal as well as identical. The same is the case with x2 and y2 (strings).

But x3 and y3 are lists. They are equal but not identical. It is because the interpreter locates them separately in memory, although they are equal.

  • Membership operators

In Python, in and not in are the membership operators. They are used to test whether a value or variable is found in a sequence ( string , list , tuple , set and dictionary ).

In a dictionary, we can only test for the presence of a key, not the value.

Example 5: Membership operators in Python

Here, 'H' is in message , but 'hello' is not present in message (remember, Python is case-sensitive).

Similarly, 1 is key, and 'a' is the value in dictionary dict1 . Hence, 'a' in y returns False .

  • Precedence and Associativity of operators in Python

Table of Contents

  • Introduction
  • Python Arithmetic Operators
  • Python Assignment Operators
  • Python Comparison Operators
  • Python Logical Operators
  • Python Bitwise operators
  • Python Special operators

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Operators in Python

Getting started.

As your knowledge base in Python grows, you'll gain the ability to manipulate data types and create flexible expressions. Logically, we need operators to perform such actions and sway the functioning of our Python programs as we deem necessary. Simply put, we use operators to perform operations on values, variables, and data structures, called operands, and control the flow of a program. We'll explore the different types of operators available in Python and learn how to properly use them.

Python Arithmetic Operators

You'll likely be familiar with most of these. Just be aware of the symbol used in the rudimentary examples, as we'll be using them in more complex structures later on.

Arithmetic operators are used to performing basic mathematical operations such as addition, subtraction, multiplication, and division. They are used to perform calculations and make numerical comparisons.

Python Assignment Operators

We've already explained the use of the equal sign ( = ) in our Basics of Variables in Python and we saw several examples of how we assign values to variables.

You'll notice several shorthand assignment operators, or augmented assignments, allowing us to perform an operation and then assign the result to a variable with a single line of code. So, let's go over them and observe how they neatly store and manipulate values in memory.

Comparison Operators

With comparison operators, we can compare values and variables in Python. They return a Boolean value of either True or False based on the comparison made. Comparison operators are oftentimes used in conditional statements to control the flow of a program.

Bitwise Operators

Bitwise operators perform operations on binary representations of numbers in Python. They are often used for low-level operations, such as setting or checking individual bits within a number.

Logical Operators

We can leverage logical operators to carry out operations on Boolean values in Python. They grant us decision-making based on multiple conditions and control the flow of a program.

Specific Python Operators

In addition to the ones we saw, Python has a few operators that are specific to the language.

  • Identity Operators

Identity operators are used to comparing the memory locations of two objects in Python. They enable us to find out if two objects are the same object in memory, or if they are different objects with the same values.

  • Membership Operators

Membership operators are used to testing if a value or variable is a member of a sequence, such as a list, tuple, or string. With them, we can determine whether an object is present in a sequence.

Python Operator Precedence

Just like in mathematics, operators in Python have a specific order of precedence that determines the order in which operations are performed.

Exponentiation (**)

Complement, unary plus, and minus (e.g. ~x, +x, -x)

Multiplication, division, floor division, and modulus (e.g. *, /, //, %)

Addition and subtraction (e.g. +, -)

Bitwise shift operations (e.g. <<, >>)

Bitwise AND (e.g. &)

Bitwise XOR (e.g. ^)

Bitwise OR (e.g. |)

Comparison operators (e.g. ==, !=, >, <, >=, <=)

Membership operators (e.g. in, not in)

Identity operators (e.g. is, is not)

Logical NOT (e.g. not)

Logical AND (e.g. and)

Logical OR (e.g. or)

Lacking knowledge of the precedence order in Python can affect the outcome of a calculation or comparison. If we're unsure of the order of precedence, it's always a good idea to use parentheses to explicitly define the order of operations.

Final Thoughts

We've delved into the various types of operators available in Python and gained enough information to start experimenting with them. They can be used in a variety of situations, from simple mathematical operations to complex decision-making processes. Once you begin creating beginner projects you'll inevitably find yourself using most of these operators in expressions. Don't hesitate to come back again when you need to refresh your memory. The point of programming isn't to resort to rote learning.

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What is Assignment Operator in Python?

Assignment Operators thumbnail

Before deep-diving into the assignment operators in Python, first, understand what operators are. So operators are used in between the operands to perform various operations, like mathematical operations , bitwise operations , logical operations , and so on. Here, operands are the values on which operators perform the actions. So, assignment operators are used to assigning values to the operands on the left-hand side. Assignment operators assign the right-hand side values to the operand that is present on the left-hand side. The assignment operator in Python is used as the "=" symbol.

Let’s see a very basic example of the assignment operator.

Table Of Assignment Operators

Here we will see different assignment operators in Python with their names, descriptions, and syntax. Let's take them one by one.

Assignment Operator :

This is an assignment operator in Python which assigns the right-hand side expression value to the operand present on the left-hand side.

Sample Code :

Addition Assignment Operator :

This type of assignment operator in Python adds left and right operands, and after that, it assigns the calculated value to the left-hand operand.

Subtraction Assignment Operator :

This operator subtracts the right operand from the left operand and assigns the result to the left operand.

Multiplication Assignment Operator:

This operator will multiply the left-hand side operand by the right-hand side operand and, after that, assign the result to the left-hand operand.

Division Assignment Operator :

This type of assignment operator in Python will divide the left-hand side operand from the right-hand side operand and, after that, assign the result to the left-hand operand.

Modulus Assignment Operator :

This operator will divide the left-hand side operand to the right-hand side operand and, after that, assign the reminder to the left-hand operand.

Click here, to learn more about modulus in python .

Exponentiation Assignment Operator :

This operator raises the left-side operand to the power of the right-side operand and assigns the result to the left-side value.

Floor Division Assignment Operator :

This operator will divide the left operand by the right operand and assign the quotient value (which would be in the form of an integer) to the left operand.

Bitwise AND Assignment Operator :

This operator will perform the bitwise operation on both the left and right operands and, after that, it will assign the resultant value to the left operand.

Bitwise OR Assignment Operator:

This operator will perform the bitwise or operation on both the left and right operands and, after that, it will assign the resultant value to the left operand.

Bitwise XOR Assignment Operator:

This operator will perform the bitwise XOR operation on the left and right operands and, after that, it will assign the resultant value to the left operand.

Bitwise Right Shift Assignment Operator :

This operator will right shift the left operand by the specified position, i.e., b , and after that, it will assign the resultant value to the left operand.

Bitwise Left Shift Assignment Operator:

This operator will left shift the left operand by the specified position, i.e., b , and after that, it will assign the resultant value to the left operand.

  • Assignment operators in Python assign the right-hand side values to the operand that is present on the left-hand side.
  • The assignment operators in Python is used as the "=" symbol.
  • We have different types of assignment operators like +=, -=, \*=, %=, /=, //=, \*\*=, &=, |=, ^=, >>=, <<= .
  • All the operators have the same precedence, and hence we prioritise operations based on their associativiy . The associativity is from right to left.

Learn More:

  • XOR in Python .

Assignment Operators

Add and assign, subtract and assign, multiply and assign, divide and assign, floor divide and assign, exponent and assign, modulo and assign.

For demonstration purposes, let’s use a single variable, num . Initially, we set num to 6. We can apply all of these operators to num and update it accordingly.

Assigning the value of 6 to num results in num being 6.

Expression: num = 6

Adding 3 to num and assigning the result back to num would result in 9.

Expression: num += 3

Subtracting 3 from num and assigning the result back to num would result in 6.

Expression: num -= 3

Multiplying num by 3 and assigning the result back to num would result in 18.

Expression: num *= 3

Dividing num by 3 and assigning the result back to num would result in 6.0 (always a float).

Expression: num /= 3

Performing floor division on num by 3 and assigning the result back to num would result in 2.

Expression: num //= 3

Raising num to the power of 3 and assigning the result back to num would result in 216.

Expression: num **= 3

Calculating the remainder when num is divided by 3 and assigning the result back to num would result in 2.

Expression: num %= 3

We can effectively put this into Python code, and you can experiment with the code yourself! Click the “Run” button to see the output.

The above code is useful when we want to update the same number. We can also use two different numbers and use the assignment operators to apply them on two different values.

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Operators are used to perform operations on variables and values.

In the example below, we use the + operator to add together two values:

Python divides the operators in the following groups:

  • Arithmetic operators
  • Assignment operators
  • Comparison operators
  • Logical operators
  • Identity operators
  • Membership operators
  • Bitwise operators

Python Arithmetic Operators

Arithmetic operators are used with numeric values to perform common mathematical operations:

Python Assignment Operators

Assignment operators are used to assign values to variables:

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Python Comparison Operators

Comparison operators are used to compare two values:

Python Logical Operators

Logical operators are used to combine conditional statements:

Python Identity Operators

Identity operators are used to compare the objects, not if they are equal, but if they are actually the same object, with the same memory location:

Python Membership Operators

Membership operators are used to test if a sequence is presented in an object:

Python Bitwise Operators

Bitwise operators are used to compare (binary) numbers:

Operator Precedence

Operator precedence describes the order in which operations are performed.

Parentheses has the highest precedence, meaning that expressions inside parentheses must be evaluated first:

Multiplication * has higher precedence than addition + , and therefor multiplications are evaluated before additions:

The precedence order is described in the table below, starting with the highest precedence at the top:

If two operators have the same precedence, the expression is evaluated from left to right.

Addition + and subtraction - has the same precedence, and therefor we evaluate the expression from left to right:

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If that is about as clear as mud don't worry we're going to walk through a number of examples. And one very nice thing about the syntax for assignment operators is that it is nearly identical to a standard type of operator. So if you memorize the list of all the python operators then you're going to be able to use each one of these assignment operators quite easily.

The very first thing I'm going to do is let's first make sure that we can print out the total. So right here we have a total and it's an integer that equals 100. Now if we wanted to add say 10 to 100 how would we go about doing that? We could reassign the value total and we could say total and then just add 10. So let's see if this works right here. I'm going to run it and you can see we have a hundred and ten. So that works.

large

However, whenever you find yourself performing this type of calculation what you can do is use an assignment operator. And so the syntax for that is going to get rid of everything here in the middle and say plus equals and then whatever value. In this case I want to add onto it.

So you can see we have our operator and then right afterward you have an equal sign. And this is going to do is exactly like what we had before. So if I run this again you can see total is a hundred and ten

large

I'm going to just so you have a reference in the show notes I'm going to say that total equals total plus 10. This is exactly the same as what we're doing right here we're simply using assignment in order to do it.

I'm going to quickly go through each one of the other elements that you can use assignment for. And if you go back and you reference the show notes or your own notes for whenever you kept track of all of the different operators you're going to notice a trend. And that is because they're all exactly the same. So here if I want to subtract 10 from the total I can simply use the subtraction operator here run it again. And now you can see we have 90. Now don't be confused because we only temporarily change the value to 1 10. So when I commented this out and I ran it from scratch it took the total and it subtracted 10 from that total and that's what got printed out.

large

I'm going to copy this and the next one down the line is going to be multiplication. So in this case I'm going to say multiply with the asterisk the total and I'm just going to say times two just so we can see exactly what the value is going to be. And now we can see that's 200 which makes sense.

large

So we've taken total we have multiplied it by two and we have piped the entire thing into the total variable. So far so good. As you may have guessed next when we're going to do is division. So now I'm going to say total and then we're going to perform this division assignment and we're going to say divide this by 10 run it and you can see it gives us the value and it converts it to a float of ten point zero.

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Now if this is starting to get a little bit much. Let's take a quick pause and see exactly what this is doing. Remember that all we're doing here is it's a shortcut. You could still perform it the same way we have in number 3 I could say total is equal to the total divided by 10. And if I run this you'll see we get ten point zero. And let's see what this warning is it says redefinition of total type from int to float. So we don't have to worry about this and this for if you're building Python programs you're very rarely ever going to see the syntax and it's because we have this assignment operator right here. So that is for division. And we also have the ability to use floor division as well. So if I run this you're going to see it's 10. But one thing you may notice is it's 10 it's not ten point zero. So remember that our floor division returns an integer it doesn't return a floating-point number. So if that is what you want then you can perform that task just like we did there.

Next one on the list is our exponents. I'm going to say the total and we're going to say we're going to assign that to the total squared. So going to run this and we get ten thousand. Just like you'd expect. And we have one more which is the modulus operator. So here remember it is the percent equals 2. And this is going to return zero because 100 is even if we changed 100 to be 101. This is going to return one because remember the typical purpose of the modulus operator is to let you know if you're working with an event or an odd value.

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Now with all this being said, I wanted to show you every different option that you could use the assignment operator on. But I want to say that the most common way that you're going to use this or the most common one is going to be this one right here where we're adding or subtracting. So those are going to be the two most common. And what usually you're going to use that for is when you're incrementing or decrementing values so a very common way to do this would actually be like we have our total right here. So we have a total of 100 and you could imagine it being a shopping cart and it's 100 dollars and you could say product 2 and set this equal to 120. And then if I say product 3 and set this equal to 10. And so what I could do here is I could say total plus equals product to and then we could take the value and say product 3 and now if I run this you can see the value is 230.

large

So that's a very common way whenever you want to generate a sum you can use this type of syntax which is much faster and it's also going to be a more pythonic way it's going to be the way you're going to see in standard Python programs whenever you're wanting to generate a sum and then reset and reassign the value.

So in review, that is how you can use assignment operators in Python.

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In Python programming, Operators in general are used to perform operations on values and variables. These are standard symbols used for the purpose of logical and arithmetic operations. In this article, we will look into different types of Python operators. 

  • OPERATORS: These are the special symbols. Eg- + , * , /, etc.
  • OPERAND: It is the value on which the operator is applied.

Types of Operators in Python

  • Arithmetic Operators
  • Comparison Operators
  • Logical Operators
  • Bitwise Operators
  • Assignment Operators
  • Identity Operators and Membership Operators

Arithmetic Operators in Python

Python Arithmetic operators are used to perform basic mathematical operations like addition, subtraction, multiplication , and division .

In Python 3.x the result of division is a floating-point while in Python 2.x division of 2 integers was an integer. To obtain an integer result in Python 3.x floored (// integer) is used.

Example of Arithmetic Operators in Python

Division operators.

In Python programming language Division Operators allow you to divide two numbers and return a quotient, i.e., the first number or number at the left is divided by the second number or number at the right and returns the quotient. 

There are two types of division operators: 

Float division

  • Floor division

The quotient returned by this operator is always a float number, no matter if two numbers are integers. For example:

Example: The code performs division operations and prints the results. It demonstrates that both integer and floating-point divisions return accurate results. For example, ’10/2′ results in ‘5.0’ , and ‘-10/2’ results in ‘-5.0’ .

Integer division( Floor division)

The quotient returned by this operator is dependent on the argument being passed. If any of the numbers is float, it returns output in float. It is also known as Floor division because, if any number is negative, then the output will be floored. For example:

Example: The code demonstrates integer (floor) division operations using the ‘//’ operator. It provides results as follows: ’10//3′ equals ‘3’ , ‘-5//2’ equals ‘-3’ , ‘ 5.0//2′ equals ‘2.0’ , and ‘-5.0//2’ equals ‘-3.0’ . Integer division returns the largest integer less than or equal to the division result.

Precedence of Arithmetic Operators in Python

The precedence of Arithmetic Operators in Python is as follows:

  • P – Parentheses
  • E – Exponentiation
  • M – Multiplication (Multiplication and division have the same precedence)
  • D – Division
  • A – Addition (Addition and subtraction have the same precedence)
  • S – Subtraction

The modulus operator helps us extract the last digit/s of a number. For example:

  • x % 10 -> yields the last digit
  • x % 100 -> yield last two digits

Arithmetic Operators With Addition, Subtraction, Multiplication, Modulo and Power

Here is an example showing how different Arithmetic Operators in Python work:

Example: The code performs basic arithmetic operations with the values of ‘a’ and ‘b’ . It adds (‘+’) , subtracts (‘-‘) , multiplies (‘*’) , computes the remainder (‘%’) , and raises a to the power of ‘b (**)’ . The results of these operations are printed.

Note: Refer to Differences between / and // for some interesting facts about these two operators.

Comparison Operators in Python

In Python Comparison of Relational operators compares the values. It either returns True or False according to the condition.

= is an assignment operator and == comparison operator.

Precedence of Comparison Operators in Python

In Python, the comparison operators have lower precedence than the arithmetic operators. All the operators within comparison operators have the same precedence order.

Example of Comparison Operators in Python

Let’s see an example of Comparison Operators in Python.

Example: The code compares the values of ‘a’ and ‘b’ using various comparison operators and prints the results. It checks if ‘a’ is greater than, less than, equal to, not equal to, greater than, or equal to, and less than or equal to ‘b’ .

Logical Operators in Python

Python Logical operators perform Logical AND , Logical OR , and Logical NOT operations. It is used to combine conditional statements.

Precedence of Logical Operators in Python

The precedence of Logical Operators in Python is as follows:

  • Logical not
  • logical and

Example of Logical Operators in Python

The following code shows how to implement Logical Operators in Python:

Example: The code performs logical operations with Boolean values. It checks if both ‘a’ and ‘b’ are true ( ‘and’ ), if at least one of them is true ( ‘or’ ), and negates the value of ‘a’ using ‘not’ . The results are printed accordingly.

Bitwise Operators in Python

Python Bitwise operators act on bits and perform bit-by-bit operations. These are used to operate on binary numbers.

Precedence of Bitwise Operators in Python

The precedence of Bitwise Operators in Python is as follows:

  • Bitwise NOT
  • Bitwise Shift
  • Bitwise AND
  • Bitwise XOR

Here is an example showing how Bitwise Operators in Python work:

Example: The code demonstrates various bitwise operations with the values of ‘a’ and ‘b’ . It performs bitwise AND (&) , OR (|) , NOT (~) , XOR (^) , right shift (>>) , and left shift (<<) operations and prints the results. These operations manipulate the binary representations of the numbers.

Assignment Operators in Python

Python Assignment operators are used to assign values to the variables.

Let’s see an example of Assignment Operators in Python.

Example: The code starts with ‘a’ and ‘b’ both having the value 10. It then performs a series of operations: addition, subtraction, multiplication, and a left shift operation on ‘b’ . The results of each operation are printed, showing the impact of these operations on the value of ‘b’ .

Identity Operators in Python

In Python, is and is not are the identity operators both are used to check if two values are located on the same part of the memory. Two variables that are equal do not imply that they are identical. 

Example Identity Operators in Python

Let’s see an example of Identity Operators in Python.

Example: The code uses identity operators to compare variables in Python. It checks if ‘a’ is not the same object as ‘b’ (which is true because they have different values) and if ‘a’ is the same object as ‘c’ (which is true because ‘c’ was assigned the value of ‘a’ ).

Membership Operators in Python

In Python, in and not in are the membership operators that are used to test whether a value or variable is in a sequence.

Examples of Membership Operators in Python

The following code shows how to implement Membership Operators in Python:

Example: The code checks for the presence of values ‘x’ and ‘y’ in the list. It prints whether or not each value is present in the list. ‘x’ is not in the list, and ‘y’ is present, as indicated by the printed messages. The code uses the ‘in’ and ‘not in’ operators to perform these checks.

in Python, Ternary operators also known as conditional expressions are operators that evaluate something based on a condition being true or false. It was added to Python in version 2.5. 

It simply allows testing a condition in a single line replacing the multiline if-else making the code compact.

Syntax :   [on_true] if [expression] else [on_false] 

Examples of Ternary Operator in Python

The code assigns values to variables ‘a’ and ‘b’ (10 and 20, respectively). It then uses a conditional assignment to determine the smaller of the two values and assigns it to the variable ‘min’ . Finally, it prints the value of ‘min’ , which is 10 in this case.

Output:  

Precedence and Associativity of Operators in Python

In Python, Operator precedence and associativity determine the priorities of the operator.

Operator Precedence in Python

This is used in an expression with more than one operator with different precedence to determine which operation to perform first.

Let’s see an example of how Operator Precedence in Python works:

Example: The code first calculates and prints the value of the expression 10 + 20 * 30 , which is 610. Then, it checks a condition based on the values of the ‘name’ and ‘age’ variables. Since the name is “ Alex” and the condition is satisfied using the or operator, it prints “Hello! Welcome.”

Operator Associativity in Python

If an expression contains two or more operators with the same precedence then Operator Associativity is used to determine. It can either be Left to Right or from Right to Left.

The following code shows how Operator Associativity in Python works:

Example: The code showcases various mathematical operations. It calculates and prints the results of division and multiplication, addition and subtraction, subtraction within parentheses, and exponentiation. The code illustrates different mathematical calculations and their outcomes.

To try your knowledge of Python Operators, you can take out the quiz on Python Operators . 

Python Operator Exercise Questions

Below are two Exercise Questions on Python Operators. We have covered arithmetic operators and comparison operators in these exercise questions. For more exercises on Python Operators visit the page mentioned below.

Q1. Code to implement basic arithmetic operations on integers

Q2. Code to implement Comparison operations on integers

Explore more Exercises: Python Operators practice exercise

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What are Operators in Python - Types of Operators in Python ( With Examples )

Python Operators: An Overview

Are you constantly wondering what to do with programming including Python programming in particular? Have you been trying to understand concepts related to operators within the Python Certification Training program language, but found yourself confused by all of its idiosyncrasies? Don’t worry, we’ve got your back. In this Python Tutorial , we will provide Python Operators, types of operators in Python, Operators in Python, and Precedence of Operators in Python.

What are Operators in Python?

In Python, operators are special symbols or keywords that carry out operations on values and python variables .  They serve as a basis for expressions, which are used to modify data and execute computations.  Python contains several operators, each with its unique purpose.

Types of Python Operators

  • Arithmetic Operators
  • Comparison (Relational) Operators
  • Assignment Operators
  • Logical Operators
  • Bitwise Operators
  • Membership Operators
  • Identity Operators

Types of Python Operators

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2. Python Comparison Operators

  • To compare two values, Python comparison operators are needed.
  • Based on the comparison, they produce a Boolean value (True or False).

Example of Python Comparison Operators

This code compares the values of python variables 'a' and 'b' and prints if they are equal, not equal, greater than, less than, more than or equal to, and less than or equal to each other.

3. Python Assignment Operators

  • Python assignment operators are used to assign values to variables in Python .
  • The single equal symbol (=) is the most fundamental assignment operator.
  • It assigns the value on the operator's right side to the variable on the operator's left side.

Example of Python Assignment Operators

The Python assignment operators are shown in this code. It begins with the value of 'a' equal to 10, and then goes through the steps of addition, subtraction, multiplication, division, remainder, exponentiation, and floor division, updating 'a' as necessary and outputting the results.

4. Python Bitwise Operators

  • Python bitwise operators execute operations on individual bits of binary integers.
  • They work with integer binary representations, performing logical operations on each bit location.
  • Python includes various bitwise operators, such as AND (&), OR (|), NOT (), XOR (), left shift (), and right shift (>>).

Example of Python Bitwise Operators

The binary representations of the numbers 'a and b' are subjected to bitwise operations in this code. It displays the results of binary AND, OR, XOR, Ones Complement, Left Shift, and Right Shift operations.

5. Python Logical Operators

  • Python logical operators are used to compose Boolean expressions and evaluate their truth values.
  • They are required for the creation of conditional statements as well as for managing the flow of execution in programs.
  • Python has three basic logical operators: AND, OR, and NOT.

Example of Python Logical Operators

The code assigns the values 5 and 10 to variables x and y. It determines whether x is larger than 3 and y is less than 15. If both conditions are met, it writes "Both x and y are within the specified range."

6. Python Membership Operators

  • Python membership operators are used to determine whether or not a certain value occurs within a sequence.
  • They make it simple to determine the membership of elements in various data structures such as lists , tuples , sets, and strings .
  • Python has two primary membership operators: the in and not in operators.

Example of Python Membership Operators

The code defines a list of fruits and tests to see if the word "banana" appears in the list. If it is, the message "Yes, banana is a fruit!" is displayed; otherwise, the message "No, banana is not a fruit!" is displayed.

7. Python Identity Operators

  • Python identity operators are used to compare two objects' memory addresses rather than their values.
  • If the two objects refer to the same memory address, they evaluate to True; otherwise, they evaluate to False.
  • Python includes two identity operators: the is and is not operators.

Example of Python Identity Operators

The code sets the variables x and y to 10 and 5, respectively. It then uses the is keyword to determine whether x and y relate to the same item in memory. If they are, it displays "x and y are the same object"; otherwise, it displays "x and y are not the same object."

Python Operators Precedence

Python Operators Precedence is can be explained by this given table,

Q1. Define the operator in Python.

Q2. what are the operators used in the python list, q3. what are the 7 operators in python, about author.

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A Comprehensive Guide to Augmented Assignment Operators in Python

Augmented assignment operators are a vital part of the Python programming language. These operators provide a shortcut for assigning the result of an operation back to a variable in an expressive and efficient manner.

In this comprehensive guide, we will cover the following topics related to augmented assignment operators in Python:

Table of Contents

What are augmented assignment operators, arithmetic augmented assignments, bitwise augmented assignments, sequence augmented assignments, advantages of augmented assignment operators, augmented assignment with mutable types, operator precedence and order of evaluation, updating multiple references, augmented assignment vs normal assignment, comparisons to other languages, best practices and style guide.

Augmented assignment operators are a shorthand technique that combines an arithmetic or bitwise operation with an assignment.

The augmented assignment operator performs the operation on the current value of the variable and assigns the result back to the same variable in a compact syntax.

For example:

Here x += 3 is equivalent to x = x + 3 . The += augmented assignment operator adds the right operand 3 to the current value of x , which is 2 . It then assigns the result 5 back to x .

This shorthand allows you to reduce multiple lines of code into a concise single line expression.

Some key properties of augmented assignment operators in Python:

  • Operators act inplace directly modifying the variable’s value
  • Work on mutable types like lists, sets, dicts unlike normal operators
  • Generally have equivalent compound statement forms using standard operators
  • Have right-associative evaluation order unlike arithmetic operators
  • Available for arithmetic, bitwise, and sequence operations

Now let’s look at the various augmented assignment operators available in Python.

Augmented Assignment Operators List

Python supports augmented versions of all the arithmetic, bitwise, and sequence assignment operators.

These perform the standard arithmetic operations like addition or exponentiation and assign the result back to the variable.

These allow you to perform bitwise AND, OR, XOR, right shift, and left shift operations combined with assignment.

The += operator can also be used to concatenate sequences like lists, tuples, and strings.

These operators provide a shorthand for sequence concatenation.

Some key advantages of using augmented assignment operators:

Conciseness : Performs an operation and assignment in one concise expression rather than multiple lines or steps.

Readability : The operator itself makes the code’s intention very clear. x += 3 is more readable than x = x + 3 .

Efficiency : Saves executing multiple operations and creates less intermediate objects compared to chaining or sequencing the operations. The variable is modified in-place.

For these reasons, augmented assignments should be preferred over explicit expansion into longer compound statements in most cases.

Some examples of effective usage:

  • Incrementing/decrementing variables: index += 1
  • Accumulating sums: total += price
  • Appending to sequences: names += ["Sarah", "John"]
  • Bit masking tasks: bits |= 0b100

So whenever you need to assign the result of some operation back into a variable, consider using the augmented version.

Common Mistakes to Avoid

While augmented assignment operators are very handy, some common mistakes can occur:

Augmented assignments act inplace and modify the existing object. This can be problematic with mutable types like lists:

In contrast, normal operators with immutable types create a new object:

So be careful when using augmented assignments with mutable types, as they modify the object in-place rather than creating a new object.

Augmented assignment operators have right-associativity. This can cause unexpected results:

The right-most operation y += 1 is evaluated first updating y. Then x += y uses the new value of y.

To avoid this, use parenthesis to control order of evaluation:

When you augmented assign to a variable, it updates all references to that object:

y also reflects the change since it points to the same mutable list as x .

To avoid this, reassign the variable rather than using augmented assignment:

While the augmented assignment operators provide a shorthand, they differ from standard assignment in some key ways:

Inplace modification : Augmented assignment acts inplace and modifies the existing variable rather than creating a new object.

Mutable types : Works directly on mutable types like lists, sets, and dicts unlike normal assignment.

Order of evaluation : Has right-associativity unlike left-associativity of normal assignment.

Multiple references : Affects all references to a mutable object unlike normal assignment.

In summary, augmented assignment operators combine both an operation and assignment but evaluate differently than standard operators.

Augmented assignments exist in many other languages like C/C++, Java, JavaScript, Go, Rust, etc. Some key differences to Python:

In C/C++ augmented assignments return the assigned value allowing usage in expressions unlike Python which returns None .

Java and JavaScript don’t allow augmented assignment with strings unlike Python which supports += for concatenation.

Go doesn’t have an increment/decrement operator like ++ and -- . Python’s += 1 and -= 1 serves a similar purpose.

Rust doesn’t allow built-in types like integers to be reassigned with augmented assignment and requires mutable variables be defined with mut .

So while augmented assignment is common across languages, Python provides some unique behaviors to be aware of.

Here are some best practices when using augmented assignments in Python:

Use whitespace around the operators: x += 1 rather than x+=1 for readability.

Limit chaining augmented assignments like x = y = 0 . Use temporary variables if needed for clarity.

Don’t overuse augmented assignment especially with mutable types. Reassignment may be better if the original object shouldn’t be changed.

Watch the order of evaluation with multiple augmented assignments on one line due to right-associativity.

Consider parentheses for explicit order of evaluation: x += (y + z) rather than relying on precedence.

For increments/decrements, prefer += 1 and -= 1 rather than x = x + 1 and x = x - 1 .

Use normal assignment for updating multiple references to avoid accidental mutation.

Following PEP 8 style, augmented assignments should have the same spacing and syntax as normal assignment operators. Just be mindful of potential pitfalls.

Augmented assignment operators provide a compact yet expressive shorthand for modifying variables in Python. They combine an operation and assignment into one atomic expression.

Key takeaways:

Augmented operators perform inplace modification and behave differently than standard operators in some cases.

Know the full list of arithmetic, bitwise, and sequence augmented assignment operators.

Use augmented assignment to write concise and efficient updates to variables and sequences.

Be mindful of right-associativity order of evaluation and behavior with mutable types to avoid bugs.

I hope this guide gives you a comprehensive understanding of augmented assignment in Python. Use these operators appropriately to write clean, idiomatic Python code.

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Assignment operators in Python programming language

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One of the most fundamental concepts in programming is assigning values to variables , and Python provides several assignment operators to make this task easier and more efficient. Assignment operators are used to assign values to variables in different ways, such as incrementing or decrementing their values, or updating them with the result of an arithmetic or logical operation. This tutorial will cover the different types of assignment operators in Python and how they can be used in your programs. Through hands-on examples and explanations, you will gain a solid understanding of this essential aspect of Python programming.

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Table of Contents :

What is Assignment operator

Shorthand assignment operators in python, add and assign '+=', subtract and assign '-=', multiply and assign '*=', divide and assign '/=' , modulus and assign '%=', exponentiation and assign '**=', floor-divide and assign '//='.

  • Assignment operators are used to assign value to a variable. 
  • Assignment operator is denoted by equal to sign '='. 
  • For example   index = 20  assigns an integer value  20  to a variable named  index .
  • Code Sample : 
  • Python supports shorthand assignment operators as well.
  • Shorthand assignment operators are formed by combining assignment operator with some arithmetic operator .
  • Shorthand assignment operators can be used to shorten a long assignment expression
  • For example , x += 2  which is equivalent to  x = x + 2 .

Types of Shorthand assignment operators in Python

  • shorthand notation : x += 10 
  • equivalent expression : x = x + 10
  • evaluation: Add 10 to x and assign the new value back to x 
  • shorthand notation : x -= 10 
  • equivalent expression : x = x - 10
  • evaluation: Subtract 10 from  x and assign the new value back to x 
  • Code Sample :
  • shorthand notation : x *= 10 
  • equivalent expression : x = x * 10
  • evaluation: Multiply x by 10 and assign the new value back to x 
  • shorthand notation : x /= 10 
  • equivalent expression : x = x / 10
  • evaluation: Divide x by 10 and assign the new value back to x 
  • shorthand notation : x %= 10 
  • equivalent expression : x = x % 10
  • evaluation: Perform modulus on the two operands and assign the result to x 
  • shorthand notation : x **= 2 
  • equivalent expression : x = x ** 2
  • evaluation: Raise x to the power 2 and assign the new value back to x 
  • shorthand notation : x //= 10 
  • equivalent expression : x = x // 10
  • evaluation: Floor-divide x by 10 and assign the new value back to x

Next Tutorial : Relational operators  

Related Tutorials :

  • Variables in Python programming language
  • Constants in Python programming language
  • Literals in Python programming language
  • Types of operators in Python programming language
  • Logical Operators in Python programming language
  • Membership operators in Python programming language
  • Identity operators in Python
  • Bitwise Operators in Python programming language
  • Displaying output in Python programming language
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IMAGES

  1. 7 Types of Python Operators that will ease your programming

    types of assignment operators in python

  2. 7 Types of Python Operators that will ease your programming

    types of assignment operators in python

  3. Python Operators (Arithmetic, Logical, Relational, Assignment & Bitwise)

    types of assignment operators in python

  4. Explain operators in python with example

    types of assignment operators in python

  5. Python Operators

    types of assignment operators in python

  6. What is Python Assignment Operators? Full List With Types

    types of assignment operators in python

VIDEO

  1. Assignment

  2. Assignment Operators in Python Programming Language

  3. How to use assignment operators in #python

  4. Python_Tutorial_Part10

  5. 💥Operators in Python

  6. Comparison Operators in Python #pythonprogramming #pythonforbeginners #python #pythontutorial

COMMENTS

  1. Assignment Operators in Python

    Syntax. =. Assign value of right side of expression to left side operand. x = y + z. +=. Add and Assign: Add right side operand with left side operand and then assign to left operand. a += b. -=. Subtract AND: Subtract right operand from left operand and then assign to left operand: True if both operands are equal.

  2. Python's Assignment Operator: Write Robust Assignments

    To create a new variable or to update the value of an existing one in Python, you'll use an assignment statement. This statement has the following three components: A left operand, which must be a variable. The assignment operator ( =) A right operand, which can be a concrete value, an object, or an expression.

  3. Python Assignment Operators

    Python Data Types Python Numbers Python Casting Python Strings. Python Strings Slicing Strings Modify Strings Concatenate Strings Format Strings Escape Characters String Methods String Exercises. ... Python Assignment Operators. Assignment operators are used to assign values to variables: Operator Example Same As

  4. Python Operators: Arithmetic, Assignment, Comparison, Logical, Identity

    Python Operators: Arithmetic, Assignment, Comparison, Logical, Identity, Membership, Bitwise. Operators are special symbols that perform some operation on operands and returns the result. For example, 5 + 6 is an expression where + is an operator that performs arithmetic add operation on numeric left operand 5 and the right side operand 6 and ...

  5. Different Assignment operators in Python

    Simple assignment operator in Python. The Simple assignment operator in Python is denoted by = and is used to assign values from the right side of the operator to the value on the left side. Input: a = b + c Add and equal operator. This operator adds the value on the right side to the value on the left side and stores the result in the operand ...

  6. Assignment Operators in Python

    a /= b. %=. Divide AND will divide the left operand with the right operand and then assign to the left operand. a %= b. <<=. It functions bitwise left on operands and will assign value to the left operand. a <<= b. >>=. This operator will perform right shift on operands and can assign value to the left operand.

  7. Operators and Expressions in Python

    In Python, operators are special symbols, combinations of symbols, or keywords that designate some type of computation. You can combine objects and operators to build expressions that perform the actual computation. ... Since Python 3.8, you have access to a new operator that allows for a new type of assignment. This new assignment is called ...

  8. Python Operators (With Examples)

    6. Python Special operators. Python language offers some special types of operators like the identity operator and the membership operator. They are described below with examples. Identity operators. In Python, is and is not are used to check if two values are located at the same memory location.

  9. Assignment Operators in Python

    Various types of assignment operators in Python have been discussed, as summarized in the following table. Assignment Operator in Python. Description. Example. =. It assigns a particular value to a variable. a = 29, temperature = -30.9. +=. Adds the value specified on the right-hand side operator to the variable on the operator's left-hand side.

  10. An in-depth guide to operators in Python

    Simply put, we use operators to perform operations on values, variables, and data structures, called operands, and control the flow of a program. We'll explore the different types of operators available in Python and learn how to properly use them. Python Arithmetic Operators. You'll likely be familiar with most of these.

  11. What is Assignment Operator in Python?

    So, assignment operators are used to assigning values to the operands on the left-hand side. Assignment operators assign the right-hand side values to the operand that is present on the left-hand side. The assignment operator in Python is used as the "=" symbol. Let's see a very basic example of the assignment operator.

  12. Assignment Operators

    Reset. Assignment operators in Python. The above code is useful when we want to update the same number. We can also use two different numbers and use the assignment operators to apply them on two different values. num_one = 6. num_two = 3. print(num_one) num_one += num_two. print(num_one)

  13. Python Operators

    Python Identity Operators. Identity operators are used to compare the objects, not if they are equal, but if they are actually the same object, with the same memory location: Operator. Description. Example. Try it. is. Returns True if both variables are the same object. x is y.

  14. How to Use Assignment Operators in Python

    And one very nice thing about the syntax for assignment operators is that it is nearly identical to a standard type of operator. So if you memorize the list of all the python operators then you're going to be able to use each one of these assignment operators quite easily. ... So in review, that is how you can use assignment operators in Python ...

  15. Python Operators

    In Python programming, Operators in general are used to perform operations on values and variables. These are standard symbols used for the purpose of logical and arithmetic operations. In this article, we will look into different types of Python operators. OPERATORS: These are the special symbols. Eg- + , * , /, etc.

  16. Python Operators

    The different types of operators: Arithmetic, Assignment, Comparison and Logical; Operator Overloading; Precedence; Associativity; If you would like to learn more about the basics of the Python Programming Language, make sure to check out our free Intro to Python for Data Science course. Artithmetic Operators

  17. Assignment Operator in Python

    The simple assignment operator is the most commonly used operator in Python. It is used to assign a value to a variable. The syntax for the simple assignment operator is: variable = value. Here, the value on the right-hand side of the equals sign is assigned to the variable on the left-hand side. For example.

  18. Python Operators Explained in Detail with Examples

    Below is a table that explains the assignment operators in Python, along with code examples using a small variable name (a) and the print() statement to display the result. Operator ... When mixing operators with different data types, Python will usually automatically convert the types to make them compatible, if possible. print(3 + 4.0 ...

  19. Python Operators from Scratch!!!

    Below is the simple python snippet that you can use as a reference: # Assigning values to variables. a = 10. b = 11 # Identity is operator. print('a is b is',a is b) # Identity is not operator. print('a is not b is',a is not b) When you run the above python script you will be prompted by the following output.

  20. Types of Operators in Python ( With Examples )

    Example of Python Identity Operators. x = 10 y = 5 if x is y: print ( "x and y are the same object" ) else : print ( "x and y are not the same object") Run Code >>. The code sets the variables x and y to 10 and 5, respectively. It then uses the is keyword to determine whether x and y relate to the same item in memory.

  21. A Comprehensive Guide to Augmented Assignment Operators in Python

    Here x += 3 is equivalent to x = x + 3. The += augmented assignment operator adds the right operand 3 to the current value of x, which is 2. It then assigns the result 5 back to x. This shorthand allows you to reduce multiple lines of code into a concise single line expression. Some key properties of augmented assignment operators in Python ...

  22. Assignment Operators in Python

    Assignment Operators in Python with python, tutorial, tkinter, button, overview, entry, checkbutton, canvas, frame, environment set-up, first python program, operators, etc. ... Types of Assignment Operators. Following are the different types of assignment operators in Python: Simple assignment operator ( = ) Add and equal operator ( += )

  23. Assignment operators in Python programming language

    Learn about the topic - Assignment operators in Python programming language in a point-to-point manner. The code samples explain the concepts even better. ... Python Data Types. Data types in Python: Integer Data type: Float Data Type: Complex Data Type: Strings data type: List data type: Tuples data type:

  24. Operatori în Python

    We can figure out the conditions by the result of the truth values. There are mainly three types of logical operators in python: logical AND, logical OR and logical NOT. Operators are represented by keywords or special characters. ... Python assignment operators is simply to assign the value, for example. num1 = 4 num2 = 5 print(("Line 1 ...

  25. Welcome to Python.org

    The official home of the Python Programming Language. Notice: ... are one of the compound data types that Python understands. Lists can be indexed, sliced and manipulated with other built-in functions. ... the operators +, -, * and / work as expected; parentheses can be used for grouping. More about simple math functions in Python 3.