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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def element(self, inp=None):
 """Create a `CartesianProduct` element. Parameters inp : iterable, optional Collection of input values for the `LinearSpace.element` methods of all sets in the Cartesian product. Returns ------- element : tuple A tuple of the given input """

        if inp is None:
            tpl = tuple(set_.element() for set_ in self.sets)
        else:
            tpl = tuple(set_.element(inpt)
                        for inpt, set_ in zip(inp, self.sets))

            if len(tpl) != len(self):
                raise ValueError('input provides only {} values, needed '
                                 'are {}'.format(len(tpl), len(self)))

        return tpl