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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 powerset(iterable):
 """Calculate the powerset of any iterable. For a range of integers up to the length of the given list, make all possible combinations and chain them together as one object. From https://docs.python.org/3/library/itertools.html#itertools-recipes """

    "list(powerset([1,2,3])) --> [(), (1,), (2,), (3,), (1,2), (1,3), (2,3), (1,2,3)]"
    s = list(iterable)
    return chain.from_iterable(combinations(s, r) for r in range(len(s) + 1))