Calculating Leap Years

Rules for Leap Years:

• Years that can be divided evenly by 4 are leap year
• Exception: Century years are not leap years unless they can be evenly divided by 400.

year = int(input("Year? "))

if year % 4 == 0:

if year % 100 == 0:

if year % 400 == 0:

leap_year = True

else:

leap_year = False

else:

leap_year = True

else:

leap_year = False

if leap_year:

print(str(year) +

": leap year!")

else:

print(str(year) +

": not a leap year!")