#emmmmmm,节俭运算,取非运算,偶数次可以省去 class Solution: def flipChess(self, A: List[List[int]], f: List[List[int]]) -> List[List[int]]: # write code here points = [] for point in f: point_l = [point[0] - 1, point[1]] point_r = [point[0] + 1, point[1]] ...