http://docs.python.org/reference/expressions.html#calls http://docs.python.org/reference/expressions.html#calls Line 9: A formal parameter using the syntax * i

http://docs.python.org/reference/expressions.html#calls http://docs.python.org/reference/expressions.html#calls Line 9: A formal parameter using the syntax * identifier receives a tuple containing any excess positional arguments. Line 11: When the syntax * expression appears in the function call, expression evaluates to a sequence, the elements of which are treated as if they were the positional arguments.