题解 | #计算题目难度#

FullNumCount = 0
NumCount = 0
AllNum = 0
Num = map(int,input().split())
NumList = list(Num)
NumListLength = len(NumList)
address = 0
while address < NumListLength:
    if NumList[address] == 100:
        FullNumCount = FullNumCount + 1
        NumCount = NumCount + 1
        AllNum = AllNum + 100
        address = address + 1
    else:
        NumCount = NumCount + 1
        AllNum = AllNum + NumList[address]
        address = address + 1
AverageNum = AllNum/NumCount
Nandu = AverageNum/FullNumCount
print(round(Nandu,1))