scores = [10,20,30,40,50,60,70,80,90,100] sum = 0 for index in scores: sum = sum + index print('学生成绩的总和为') print(sum) avg = sum / 10 print('学生成绩的平均数为') print(avg) scoremax = scores[0] for index in scores: if index > scoremax: scoremax = index print('学生成绩的最大值为') print(scoremax) scoremin = scores[0] for index in scores: if index < scoremin: scoremin = index print('学生成绩的最小值为') print(scoremin)