题解 | #计算题目难度#
计算题目难度
https://www.nowcoder.com/practice/76ae981719834b92b877bdc9ac6d38f3
grade_list=input().split()
def level_oftest(grade_list):
sum =0
for i in grade_list:
sum=sum+eval(i)
ave=sum/len(grade_list)
return ave/grade_list.count('100')
result=level_oftest(grade_list)
print('{:.1f}'.format(result))
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