Python 代码实现趣味英语试题 2：判断对称字符串

def is_symmetric_string(s): left = 0 right = len(s) - 1

while left < right:
    if s[left] != s[right]:
        return 'No'
    left += 1
    right -= 1

return 'Yes'

string = input('请输入一个字符串：') result = is_symmetric_string(string) print(result)