print('Inside file foo.py; and __name__ is %s' % __name__)
# ekraanile ilmub tekst:
#      Inside file foo.py; and __name__ is foo
# kui foo.py käivitatakse otse, ilmub foo asemel:
#      Inside file foo.py; and __name__ is __main__


def do_something_cool():
    print('Doing something cool...')