윤년계산 3가지 방식

윤년.py

from time import time

"""함수정의"""
leap_check = lambda n: not (n % 400) or ((n % 400) and (n % 100) and not (n % 4))

def leap_check2(n):
    if not n % 400: return True
    elif n % 100 and not n % 4: return True
    else: return False

def leap_check3(y):
    p = False
    if not (y % 4) and y % 100 or not (y % 400): p = True
    return p


dex = {False: "Common", True: "Leap"}
"""입력단계"""
while True:
    check_num = input("Number to check: ")

    if not check_num.isnumeric(): continue
    check_num = int(check_num)

    start = time()
    result = leap_check3(check_num)
    print(dex[result])
    print("Elapsed Time: {}".format(time() - start))