def solution(park, routes): start_coordinate = [] blank_coordinate = [] max_width = len(park[0]) max_length = len(park) for idx, data in enumerate(park): for i, val in enumerate(data): if val == 'S': start_coordinate.append([ idx, i ]) blank_coordinate.append([ idx, i ]) elif val == 'X': blank_coordinate.append([]) else: blank_coordinate.append([ idx, i ]) for data in routes: direction, step = d..