# -*- coding:utf-8 -*-
class Solution:
# array 二維列表
def Find(self, target, array):
# write code here
n = len(array)
flag = 'false'
for i in range(n):
if target in array[i]:
flag = 'true'
break
return flag
while True:
try:
S = Solution()
L = list(eval(raw_input()))
array = L[1]
target = L[0]
print S.Find(target,array)
except:
break
初始化對象,並將輸入的內容轉換爲列表,建立循環,如果找到,返回 true 否則,返回 false 。