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What is the use of the "help" function in Python?

The "help" function in Python is used to access the documentation of an object. When invoked with an object as argument, it returns information such as the object's type, its methods and attributes, etc. It is particularly useful when you're trying to learn more about a specific module, class, or function, and want to see its usage, arguments, etc.

>>> help(len)
Help on built-in function len in module builtins:

len(obj, /)
    Return the number of items in a container.

>>> help(str)
Help on class str in module builtins:

class str(object)
 |  str(object='') -> str
 |  str(bytes_or_buffer[, encoding[, errors]]) -> str
 . . . 

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