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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 _get_style_of_faulting_term(self, C, rake):
 """ Returns the style of faulting factor """

        f_n, f_r = self._get_fault_type_dummy_variables(rake)
        return C['C6'] * f_n + C['C7'] * f_r