Python Membership Operator

Membership Operators(in , not in) in Python
The not operator in Python is a part of the Membership Operators in Python.
A Membership Operator in Python can be defined as being an operator that is used to validate the membership of a value.
This operator is used to test memberships in variables such as strings, list as well as tuples.
In Operator: The in operator in Python is used to check if the value exists in a variable or not. When evaluated, if the operator finds a value then it returns true otherwise false.
To understand this better, take a look at the example below.
Python program to illustrate
Finding common member in list
using 'in' operator
list1=[1,2,3,4,5]
list2=[6,7,8,9]
for item in list1:
if item in list2:
print("overlapping")
else:
print("not overlapping")
Not In Operator: This operator is the exact opposite of the in operator. When evaluated this operator returns true if the value isn’t found and false if the value is found. Take a look at the example below to understand this better.
Python program to illustrate
not 'in' operator
x = 24
list = [10, 20, 30, 40, 50 ];
if ( x not in list ):
print ("x is NOT present in given list")
else:
print ("x is present in given list")

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