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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 on_en_passant_valid_location(self):
 """ Finds out if pawn is on enemy center rank. :rtype: bool """

        return (self.color == color.white and self.location.rank == 4) or \
               (self.color == color.black and self.location.rank == 3)