birthdays = {'Amit':'01/07/00', 'Karan':'02/08/99', 'Joel':'28/07/01',
             'Sunita':'15/06/99', 'Shyam':'10/08/00', 'Sudhira':'29/02/00'}

for name, bday in birthdays.items():
    if bday[3:5] == '08':
        print(name)