In [1]:

    

import calendar


    

In [2]:

    

print(calendar.isleap(2019))


    

    




False

In [3]:

    

print(calendar.isleap(2020))


    

    




True

In [4]:

    

print(calendar.isleap(1900))


    

    




False

In [5]:

    

print(calendar.isleap(2000))


    

    




True

In [6]:

    

print(calendar.leapdays(2019, 2030))


    

    




3

In [7]:

    

print(calendar.leapdays(2019, 2020))


    

    




0

In [8]:

    

print([y for y in range(2019, 2030) if calendar.isleap(y)])


    

    




[2020, 2024, 2028]

In [9]:

    

print([y for y in range(2000, 2020) if calendar.isleap(y)])


    

    




[2000, 2004, 2008, 2012, 2016]