# 计算每个人的总分，排序并输出 
# 1)增加一个总分列  2)按总分降序排序 3）输出学号、姓名、总分

score=[["101","Mary",80,85,90],
       ["102","Rose",80,90,95],
       ["103","Mike",75,72,65],
       ["104","Peter",65,63,58],
       ["105","Harry",95,93,88]]
for i in range(5):
    zf=score[i][2]+score[i][3]+score[i][4]
    score[i].append(zf)
score=sorted(score,key=lambda k:k[5],reverse=True)
for i in range(5):
    print("学号{}姓名{}总分{}".format(score[i][0],score[i][1],score[i][5]))