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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 edisp_disable_list(self):
 """ Return the list of source for which energy dispersion should be turned off """

        l = []
        for model_comp in self.model_components.values():
            if model_comp.edisp_disable:
                l += [model_comp.info.source_name]
        return l