超级码力初赛第四场 from start to end

输入：
"abcd"
"bcda"
输出：
true

输入：
"abcd"
"abdc"
输出：
false

class Solution:
"""
@param s1: the string 1
@param s2: the string 2
@return: judge can s1 change to s2
"""
def judge(self, s1, s2):
    # write your code here
    s1 = list(s1)
    s2 = list(s2)
    if s1 == s2:
        return True
    for _ in range(len(s1)):
        start = s1.pop(0)
        s1.append(start)
        if s1 == s2:
            return True
    return False