def greetings_pl(name):
    print('Siema %s!' %name)

def greetings_en(name):
    print('Hi %s!' %name)


def greet_someone(name_to_greet, function):
    function(name_to_greet)


greet_someone('Klaudia', greetings_pl)
greet_someone('Klaudia', greetings_en)