1 import pandas 2 excel=pandas.read_excel(r'F:pandas练习成绩.xlsx',index_col='id',sheet_name='Sheet1') 3 temp=excel[['score1','score2']] 4 5 row_sum=temp.sum(axis=1) #默认axis=0，对每一列进行求和 6 row_mean=temp.mean(axis=1) 7 8 excel['total']=row_sum 9 excel['average']=row_mean 10 11 col_mean=excel[['score1','score2','total','average']].mean() #对每一列进行求平均值 12 col_mean['name']='summary' 13 excel=excel.append(col_mean,ignore_index=True) #在excel表的最后再增加一行 14 print(excel)