old_contents: from unittest import TestCase
  
  
  class AddressBookTestCase(TestCase):
  
      def test_add_person(self):
          person = Person(
              'John',
              'Doe',
              ['Russian Federation, Kemerovo region, Kemerovo, Kirova street 23, apt. 42'],
              ['+79834772053']
          )
          self.address_book.add_person(person)
          self.assertIn(person, self.address_book)
  
      def test_add_group(self):
          pass
  
      def test_find_person_by_first_name(self):
          pass
  
      def test_find_person_by_last_name(self):
          pass
  
      def test_find_person_by_email(self):
          passjjj
new_contents: from unittest import TestCase
  
  from address_book import AddressBook, Person
  
  
  class AddressBookTestCase(TestCase):
  
      def test_add_person(self):
          address_book = AddressBook()
          person = Person(
              'John',
              'Doe',
              ['Russian Federation, Kemerovo region, Kemerovo, Kirova street 23, apt. 42'],
              ['+79834772053']
          )
          address_book.add_person(person)
          self.assertIn(person, address_book)
  
      def test_add_group(self):
          pass
  
      def test_find_person_by_first_name(self):
          pass
  
      def test_find_person_by_last_name(self):
          pass
  
      def test_find_person_by_email(self):
          passjjj
subject: Update person addition test to create address book inside test func + import needed classes from the package