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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 source_amplitude(self, kwargs_ps, kwargs_lens):
 """ returns the source amplitudes :param kwargs_ps: :param kwargs_lens: :return: """

        amp_list = []
        for i, model in enumerate(self._point_source_list):
            amp_list.append(model.source_amplitude(kwargs_ps=kwargs_ps[i], kwargs_lens=kwargs_lens))
        return amp_list