月: 2023年12月

import calendar

calendar.setfirstweekday(calendar.SUNDAY)

print(calendar.isleap(2000))
print(calendar.isleap(2001))

import datetime

day1 = datetime.datetime(year=2000, month=4, day=11)
day2 = datetime.datetime(year=2001, month=1, day=1)

delta = datetime.timedelta(days=3, hours=5)
day3 = day1 + delta
print(day3)

import datetime

birthday = datetime.datetime(year=2000, month=4, day=11)

birthday_formatted = birthday.strftime(“%B %d %A, %Y”)
print(birthday_formatted)

import datetime

birthday = datetime.datetime.strptime(“2000-04-11”, “%Y-%m-%d”)
print(birthday)

import math
from math import pi as PI

print(math.cos(math.radians(180)))