<gh_stars>0
def is_leap_year(year):
    return year%4 == 0 and (year%100 != 0 or (year%100 == 0 and year%400 == 0))

def is_leap_year(year):
    return year%4 == 0 and (year%100 != 0 or (year%100 == 0 and year%400 == 0))