Membership operator in Python

Python Membership operator

Python membership operator are used to check, whether a sequence or values are present in an object.

For example, to check whether 'h' is present in the string 'Hello world', we make use of 'in' operator.

Operator	Operation
in	Returns True if a sequence/value  is present in an object
not in	Returns True if a sequence/value  is not present in an object

Python 'in' and 'not in' membership operator

In Python, to check if a value or a sequence is present in an object, we make use of 'in' membership operator. 

And 'not in' to find if a sequence/value is not present in an object.

Program

>>> st = "Hello world!"

>>> 'H' in st

True

>>> 'world' in st

True

>>> "Sleep" in st

False

>>> "Sleep" not in st

True

>>> 'Hello' not in st

False

Conclusion

Python membership operator are used to check, whether a sequence or values are present in an object..

Returns True if value is present in a sequence, while working with 'in' operator.

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