def test_phonebook_gives_access_to_names_and_numbers():
phonebook = PhoneBook()
phonebook.add("Alice", "67890")
assert "Alice" in phonebook.names()
assert "67890" in phonebook.numbers()
def test_phonebook_gives_access_to_names_and_numbers():
phonebook = PhoneBook()
phonebook.add("Alice", "67890")
assert "Alice" in phonebook.names()
assert "67890" in phonebook.numbers()