month = int(input()[-2:]) if 3 <= month and month <= 5: print('spring') elif 6 <= month and month <= 8: print('summer') elif 9 <= month and month <= 11: print('autumn') else: print('winter')

速度与规范

6 <= month and month <= 8速度比 6 <= month <=8快，但是后面看起来简洁好看