cars_score=pd.read_csv(r'D:\Projects\Python\Doing\pythonProject\data\cars_score.csv') print(cars_score.mean(axis=0)) ''' 油耗3.752 动力4.429 外观4.763 空间4.701 dtype: float64 ''' # 2.加权平均值 RFM=pd.read_excel(r'D:\Projects\Python\Doing\pythonProject\data\RFM.xlsx') RFM['Weigh...