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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 _cost_method(self, *args, **kwargs):
 """Calculate combined proximity operator components of the cost This method returns the sum of the cost components from each of the proximity operators Returns ------- float combinded cost components """


        return np.sum([operator.cost(data) for operator, data in
                       zip(self.operators, args[0])])