代码：
n = int(input())
sun = 0
i = 1
while i<=n:
s =int(input())
sun =sun+s
i =i+1
print("%.2f" %(sun/n))
代码：
n = int(input())
sun = 0
i = 1
while i<=n:
s =int(input())
sun =sun+s
i =i+1
print("%.2f" %(sun/n))
名师互学网 版权所有 (c)2021-2022 ICP备案号：晋ICP备2021003244-6号
