seasonstr = "春季夏季秋季冬季"
month = eval(input('请输入带有月份的数字：'))
if 0<month<=3:
pos=int((month-0.1)/3)
if 3<month<=6:
pos=int((month+2.9)/3)
if 6<month<=9:
pos=int((month+5.9)/3)
if 9<month<=12:
pos=int((month+8.9)/3)
print(seasonstr[pos:pos+2])
冬季