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Assignment Operators in Python

  • Difficulty Level : Basic
  • Last Updated : 29 Aug, 2020

Operators are used to perform operations on values and variables. These are the special symbols that carry out arithmetic, logical, bitwise computations. The value the operator operates on is known as Operand.

Here, we will cover Assignment Operators in Python. So, Assignment Operators are used to assigning values to variables. 

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Operator

Description



Syntax

=

Assign value of right side of expression to left side operandx = y + z 

+=

Add and Assign: Add right side operand with left side operand and then assign to left operanda += b   

-=

Subtract AND: Subtract right operand from left operand and then assign to left operand: True if both operands are equala -= b  

*=

Multiply AND: Multiply right operand with left operand and then assign to left operanda *= b     

/=

Divide AND: Divide left operand with right operand and then assign to left operanda /= b

%=

Modulus AND: Takes modulus using left and right operands and assign result to left operanda %= b  

//=

Divide(floor) AND: Divide left operand with right operand and then assign the value(floor) to left operanda //= b   

**=



Exponent AND: Calculate exponent(raise power) value using operands and assign value to left operanda **= b     

&=

Performs Bitwise AND on operands and assign value to left operanda &= b   

|=

Performs Bitwise OR on operands and assign value to left operanda |= b    

^=

Performs Bitwise xOR on operands and assign value to left operanda ^= b    

>>=

Performs Bitwise right shift on operands and assign value to left operanda >>= b     

<<=

Performs Bitwise left shift on operands and assign value to left operanda <<= b 

Now Let’s see each Assignment Operator one by one.

1) Assign: This operator is used to assign the value of the right side of the expression to the left side operand.

Syntax:

x = y + z

Example:

Python3




# Assigning values using 
# Assignment Operator
  
a = 3
b = 5
  
c = a + b
  
# Output
print(c)

Output:



8

2) Add and Assign: This operator is used to add the right side operand with the left side operand and then assigning the result to the left operand.

Syntax: 

x += y

Example:

Python3




a = 3
b = 5
  
# a = a + b
a += b
  
# Output
print(a)

Output:

8

3) Subtract and Assign: This operator is used to subtract the right operand from the left operand and then assigning the result to the left operand.

Syntax:

x -= y

Example –

Python3




a = 3
b = 5
  
# a = a - b
a -= b
  
# Output
print(a)

Output:

-2

 4) Multiply and Assign: This operator is used to multiply the right operand with the left operand and then assigning the result to the left operand.

Syntax:



x *= y

Example:

Python3




a = 3
b = 5
  
# a = a * b
a *= b
  
# Output
print(a)

Output:

15

 5) Divide and Assign: This operator is used to divide the left operand with the right operand and then assigning the result to the left operand.

Syntax: 

x /= y

Example:

Python3




a = 3
b = 5
  
# a = a / b
a /= b
  
# Output
print(a)

Output:

0.6

 6) Modulus and Assign: This operator is used to take the modulus using the left and the right operands and then assigning the result to the left operand.

Syntax:

x %= y

Example:

Python3




a = 3
b = 5
  
# a = a % b
a %= b
  
# Output
print(a)

Output:



3

7) Divide (floor) and Assign: This operator is used to divide the left operand with the right operand and then assigning the result(floor) to the left operand.

Syntax:

x //= y

Example:

Python




a = 3
b = 5
  
# a = a // b
a //= b
  
# Output
print(a)

Output:

0

 8) Exponent and Assign: This operator is used to calculate the exponent(raise power) value using operands and then assigning the result to the left operand.

Syntax:

x **= y

Example:

Python




a = 3
b = 5
  
# a = a ** b
a **= b
  
# Output
print(a)

Output:

243

9) Bitwise AND and Assign: This operator is used to perform Bitwise AND on both operands and then assigning the result to the left operand.

Syntax:



x &= y

Example:

Python3




a = 3
b = 5
  
# a = a & b
a &= b
  
# Output
print(a)

Output:

1

10) Bitwise OR and Assign: This operator is used to perform Bitwise OR on the operands and then assigning result to the left operand.

Syntax:

x |= y

Example:

Python3




a = 3
b = 5
  
# a = a | b
a |= b
  
# Output
print(a)

Output:

7

11) Bitwise XOR and Assign: This operator is used to perform Bitwise XOR on the operands and then assigning result to the left operand.

Syntax:

x ^= y

Example:

Python3




a = 3
b = 5
  
# a = a ^ b
a ^= b
  
# Output
print(a)

Output:



6

12) Bitwise Right Shift and Assign: This operator is used to perform Bitwise right shift on the operands and then assigning result to the left operand.

Syntax:

x >>= y

Example:

Python3




a = 3
b = 5
  
# a = a >> b
a >>= b
  
# Output
print(a)

Output:

0

 13) Bitwise Left Shift and Assign: This operator is used to perform Bitwise left shift on the operands and then assigning result to the left operand.

Syntax:

x <<= y

Example:

Python3




a = 3
b = 5
  
# a = a << b
a <<= b
  
# Output
print(a)

Output:

96



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