from datetime import date

def years(somedate):
    today = date.today()
    year = today.year - somedate.year
    if today.month < somedate.month:
        year -= 1
    elif date.month == somedate.month and today.day < somedate.day:
        print today.day, somedate.day
        year -= 1
    print year



birthday1 = date(1984, 5, 6)
birthday2 = date(1984, 6, 25)
birthday3 = date(1984, 6, 30)
birthday4 = date(1984, 7, 25)

map(years, (birthday1, birthday2, birthday3, birthday4))