201312-1 CCF认证考试 出现次数最多的数 Python版

满分答案：

n = int(input())
num = list(map(int,input().split()))
num_count  = []
num.sort()
for i in range(n):
    num_count.append(num.count(num[i]))
a = max(num_count)
a_index = num_count.index(a)
print(num[a_index])