我的排班日期

import datetime
cur_date = datetime.datetime.today()#已当日日期2021-02-28为始（白班）
# print(cur_date)
day_work_list = []  #白班列表
night_work_list = []    #晚班列表
night_result = []
for i in range(0,1000,4):
    timedel = datetime.timedelta(days=i)    #差值
    # print(timedel)
    night_result.append(cur_date+timedel)
    # print(val)
    result = str(cur_date + timedel)
    day_work_list.append(result.split()[0])
timedel_night = datetime.timedelta(days=1)

for x in night_result:

y=str(x+timedel_night).split()[0]   #用白班日期+1等于晚班日期

night_work_list.append(y)
value=input("按yy-mm-dd格式输入日期：")
if value in day_work_list:
print("上白班")
elif value in night_work_list:
print("上晚班")
else:
print("休息日")
qingming = ['2021-04-03','2021-04-04','2021-04-05']

laodongjie = ['2021-05-01','2021-05-02','2021-05-03','2021-05-04','2021-05-05']

duanwujie = ['2021-06-12','2021-06-13','2021-06-14']

zhongqiujie = ['2021-09-19','2021-09-20','2021-09-21']

guoqingjie = ['2021-10-01','2021-10-02','2021-10-03','2021-10-04','2021-10-05','2021-10-06','2021-10-07']

yuandanjie = ['2022-01-01','2022-01-02','2022-01-03']

chunjie = ['2022-01-31','2022-02-01','2022-02-02','2022-02-03','2022-02-04','2022-02-05','2022-02-06']
dates = [qingming,laodongjie,duanwujie,zhongqiujie,guoqingjie,yuandanjie,chunjie]

for s in dates:

for ss in s[:]:

# print(ss)

if ss in day_work_list:

print('{},白班'.format(ss))

elif ss in night_work_list:

print('{},晚班'.format(ss))