Difference between args and kwargs in Python

  • What is the difference between args and kwargs in Python (default arguments Vs keyword arguments)

    There are two types of arguments in a function which are positional arguments (declared by a name only) and keyword arguments (declared by a name and a default value). When a function is called, values for positional arguments must be given. Keywords arguments are optional (they take the default value if not specified). **args collects the positional arguments that are not explicitly defined and store them in a tuple **kwargs does the same as **args but for keyword arguments. They are stored in a dictionary because keyword arguments are stored as name-value pairs. Python does not allow positional arguments to follow keyword arguments. Thus, we first declare positional arguments and then keyword arguments.

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