题解 | #密码截取#
密码截取
https://www.nowcoder.com/practice/3cd4621963e8454594f00199f4536bb1
str = input() n = len(str) list = [] #设置两个标识符,从头开始遍历,首先寻找两个相同的字符,然后正向、逆向截取字符串,看是否是对称序列 for i in range(0,n-1): for j in range(1,n): if str[j] == str[i] and str[i+1:j] == str[j-1:i:-1]: list.append(len(str[i:j+1])) print(max(list))
#华为机试#