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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 _get_list_axis(self, key, axis=None):
 """ Return Series values by list or array of integers Parameters key : list-like positional indexer axis : int (can only be zero) Returns ------- Series object """

        if axis is None:
            axis = self.axis or 0
        try:
            return self.obj._take(key, axis=axis)
        except IndexError:
            # re-raise with different error message
            raise IndexError("positional indexers are out-of-bounds")