import datetime
from datetime import time
from datetime import datetime
from datetime import timedelta
import time
from datetime import date
#1
data = str(datetime.today())
if int(data[0:4]) % 4 == 0: print('Високосный')
else: print('Не високосный')
#2
print(datetime.strptime('Dec 17 2020  1:33PM', '%b %d %Y %I:%M%p'))
#3
now = (datetime.now())
print(now.strftime('%I:%M:%S.%f'))
#4
print(datetime.now() - timedelta(days=5))
# 5
print(datetime.now() - timedelta(days=1))
print(datetime.now())
print(datetime.now() + timedelta(days=1))
# 6
for i in range(2, 5+1):
    print(datetime.now() + timedelta(days=i))
#7
print(datetime.now() + timedelta(seconds=5))
#8
import time
from time import gmtime, strftime
data1 = time.strptime("16 Jun 2010", "%d %b %Y")
print(strftime("%U", data1))
#9
from datetime import date
from datetime import time
from datetime import datetime

today = datetime.now()
week = date.weekday(today)
days = ["monday", "tuesday", "wednesday", "thursday", "friday", "saturday", "sunday"]
if week == 1:
    print('Last Tuesday was:', datetime.now())
else:
    print('Last Tuesday was:', datetime.now() - timedelta(days=int(week - 1)))
#10
import time
mill = int(round(time.time() * 1000))
print(mill)