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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 load(self, id_code):
 """ Loads a workflow identified by id_code id_code - unique identifier, previously must have called save with same id_code """

        filestream = open('{0}/{1}'.format(self.data_path, id_code), 'rb')
        workflow = pickle.load(filestream)
        return workflow