Program - function to show annotation

Solution

def anno_func(a: "Mandatory",
              b: "Optional"=2,
              c: "Optional"=10,
              *args: "Extra Position variable",
              **kwargs: "Provide extra to unpack dictionary") -> 'Documentation to show how to do do annotation':
    """
    function to show how to do do documentation of function
    First line after function wriiten inside triple quotes.
    Don't forget to close when job is done.
    """
    pass