asterisk means?

Answer 1

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Python Tutorial: Passing Arguments - Python course.eu The asterisk "*" is used in Python to define a variable number of arguments. The asterisk character has to precede a variable identifier in the parameter list. ... If the function is called without any arguments, the value of x is an empty tuple.

Answer 2

In Python * has atleast 5 meanings:
Multiplication operator
Exponentation operator
Offers an useful way to split iterable values to separate variables.
Offers a way for keyword argument passing.
Offers a way to import all the names from a module without module namespace.