None Data Type

5. None Data type:

In python, None means nothing or No value associated. The ‘None’ datatype represents an object that doesn’t contain any value. In java/c it is called ‘null’. It is used for as a default value.

Where do we use None data type?
If the value is not available, then to handle such type of situation None is used.

Example program on None
def ex():
   a=10

print(ex())

"""output""
 None

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