12 Apr Admin

Operators are special symbols in Python that carry out arithmetic or logical computation. The value that the operator operates on is called the operand.

 Example:

8+6 = 14

Here, + is the operator that performs addition. 8 and 6 are the operands and 5 is the output of the operation.

There are different type of operators use in python:

  • 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:

OperatorNameExample 
+Additionx + y 
Subtractionx – y 
*Multiplicationx * y 
/Divisionx / y 
%Modulusx % y 
**Exponentiation- left operand raised to the power of rightx ** y(x to the power y) 
//Floor division- division that results into whole number adjusted to the left in the number linex // y 

Python Assignment Operators

Assignment operators are used to assign values to variables:

OperatorExampleSame As 
=x = 5x = 5 
+=x += 3x = x + 3 
-=x -= 3x = x – 3 
*=x *= 3x = x * 3 
/=x /= 3x = x / 3 
%=x %= 3x = x % 3 
//=x //= 3x = x // 3 
**=x **= 3x = x ** 3 
&=x &= 3x = x & 3 
|=x |= 3x = x | 3 
^=x ^= 3x = x ^ 3 
>>=x >>= 3x = x >> 3 
<<=x <<= 3x = x << 3

Python Comparison Operators

Comparison operators are used to compare values. It returns either True or False according to the condition.

OperatorNameExample 
>Greater thanx > y 
<Less thanx < y 
==Equal tox == y 
!=Not equal tox != y 
>=Greater than or equal tox >= y 
<=Less than or equal tox <= y

Python Logical Operators

Logical operators are used to combine conditional statements:

OperatorMeaningExample 
and True if both the operands are truex < 5 and  x < 10 
orTrue if either of the operands is truex < 5 or x < 4 
notTrue if operand is false (complements the operand)not(x < 5 and x < 10)

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:

OperatorDescriptionExample 
is Returns True if both variables are the same objectx  is y 
is notReturns True if both variables are not the same objectx is not y 

Python  Membership Operators

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

OperatorDescriptionExample 
in Returns True if a sequence with the specified value is present in the objectx in y 
not inReturns True if a sequence with the specified value is not present in the objectx not in y

Python  Bitwise Operators

Bitwise operators are used to compare (binary) numbers:

OperatorNameDescription
ANDSets each bit to 1 if both bits are 1
|ORSets each bit to 1 if one of two bits is 1
 ^XORSets each bit to 1 if only one of two bits is 1
NOTInverts all the bits
<<Zero fill left shiftShift left by pushing zeros in from the right and let the leftmost bits fall off
>>Signed right shiftShift right by pushing copies of the leftmost bit in from the left, and let the rightmost bits fall off