import sysresult_path = []def is_pos_legal(i:int, j:int, n:int, m:int): return 0 <= i < n and 0 <= j < mdef avail(maze:list[list[int]], i:int, j:int, n:int, m:int): return is_pos_legal(i, j, n, m) and maze[i][j] == 0def need_visit(maze:list[list[int]], i:int, j:...