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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 deepcopy_strip(item):
 # type: (Any) -> Any """ Make a deep copy of list and dict objects. Intentionally do not copy attributes. This is to discard CommentedMap and CommentedSeq metadata which is very expensive with regular copy.deepcopy. """


    if isinstance(item, MutableMapping):
        return {k: deepcopy_strip(v) for k, v in iteritems(item)}
    if isinstance(item, MutableSequence):
        return [deepcopy_strip(k) for k in item]
    return item