def main(): db_session.global_init("db/mars_explorer.sqlite") session = db_session.create_session() user = User() user.surname = "Scott" user.name = 'Ridley' user.age = 21 user.position = 'captain' user.speciality = 'research engineer' user.adress = 'module_1' user.email = '*****@*****.**' session.add(user) for i in range(3): user = User() user.surname = f"Colonist {str(i + 1)}" user.name = f'Colon {str(i + 1)}' user.age = randint(1, 100) user.position = f'looser {str(i + 1)}' user.speciality = 'research engineer {i + 1}' user.adress = f'module_{i + 1}' user.email = f'scotty_lover{str(i + 1)}@mars.org' session.add(user) session.commit() app.run()