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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 _cast_to_frameset(cls, other):
 """ Private method to simplify comparison operations. Args: other (:class:`FrameSet` or set or frozenset or or iterable):
 item to be compared Returns: :class:`FrameSet` Raises: :class:`NotImplemented`: if a comparison is impossible """

        if isinstance(other, FrameSet):
            return other
        try:
            return FrameSet(other)
        except Exception:
            return NotImplemented