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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 cause_effect_info(self, mechanism, purview):
 """Return the cause-effect information for a mechanism over a purview. This is the minimum of the cause and effect information. """

        return min(self.cause_info(mechanism, purview),
                   self.effect_info(mechanism, purview))