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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 _is_potential_multi_index(columns):
 """ Check whether or not the `columns` parameter could be converted into a MultiIndex. Parameters columns : array-like Object which may or may not be convertible into a MultiIndex Returns ------- boolean : Whether or not columns could become a MultiIndex """

    return (len(columns) and not isinstance(columns, MultiIndex) and
            all(isinstance(c, tuple) for c in columns))