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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 multisorted(items, *keys):
 """Sort by multiple attributes. Args: items: An iterable series to be sorted. *keys: Key objects which extract key values from the items. The first key will be the most significant, and the last key the least significant. If no key functions are provided, the items will be sorted in ascending natural order. Returns: A list of items sorted according to keys. """

    if len(keys) == 0:
        keys = [asc()]
    for key in reversed(keys):
        items = sorted(items, key=key.func, reverse=key.reverse)
    return items