Orderly Queue

You are given a string s and an integer k. You can choose one of the first k letters of s and append it at the end of the string..

Return the lexicographically smallest string you could have after applying the mentioned step any number of moves.

class Solution:
    def orderlyQueue(self, s: str, k: int) -> str:
        if k == 1:
            return min(s[i:] + s[:i] for i in range(len(s)))
        else:
            return ''.join(sorted(s))