def test_math_f04_medium_sets(self):
     assert(mod.get_mean(self.med_dict_1)  == 96.00)
     result = '%.4f' % mod.get_mean(self.med_dict_3) 
     assert(result  == str(14.5455))
 def test_math_f01_emptiness(self):
     assert(mod.get_mean(self.empty_dict_1) is None)
     assert(mod.get_mean(self.empty_dict_2) is None)