Python __len__() Function Syntax

Syntax: object.__len__()

  • object: It is the object whose length is to be determined.                 

Returns: Returns a non negative integer.

Python __len__() magic method

Python __len__ is one of the various magic methods in Python programming language, it is basically used to implement the len() function in Python because whenever we call the len() function then internally __len__ magic method is called. It finally returns an integer value that is greater than or equal to zero as it represents the length of the object for which it is called. 

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Python __len__() Function Syntax

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