1546_Python // 평균

 

Python

import sys

n = int(sys.stdin.readline())
a = list(map(int,sys.stdin.readline().split()))
max = int(0)
r = float()
for i in range(n) :
    if(max<a[i]) :
        max = a[i]
for j in range(n) :
    r += a[j]/max*100
print(r/n)

 

 

 

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