old_contents: import pytest  # type: ignore
  
  from ppb_vector import Vector
  
  
  def test_addition_vectors():
      test_vector1 = Vector(1, 0)
      test_vector2 = Vector(0, 1)
      result = test_vector1 + test_vector2
      assert result == Vector(1, 1)
  
  
  def test_addition_vector_tuple():
      test_vector = Vector(1, 1)
      test_tuple = (2, 4)
      result = test_vector + test_tuple
      assert result == Vector(3, 5)
  
  
  def test_addition_vector_list():
      test_vector = Vector(1, 1)
      test_list = [1, 3]
      result = test_vector + test_list
      assert result == Vector(2, 4)
  
  
  def test_addition_vector_dict():
      test_vector = Vector(1, 1)
      test_dict = {"x": 3, "y": 5}
      result = test_vector + test_dict
      assert result == Vector(4, 6)
  
  
  data = [
      ([Vector(1, 1), (2, 2)], Vector(3, 3)),
      ([Vector(1, 2), [2, 2]], Vector(3, 4)),
      ([Vector(1, 2), {"x": 2, "y": 2}], Vector(3, 4)),
      ([Vector(10, 16), Vector(2, 2)], Vector(12, 18)),
      ([Vector(25, 22), (12, 92)], Vector(37, 114)),
      ([Vector(25, 22), Vector(22, 61)], Vector(47, 83)),
      ([Vector(39, 43), Vector(92, -12)], Vector(131, 31)),
      ([Vector(42, 12), (-5, 23)], Vector(37, 35)),
      ([Vector(51, 28), [72, 31]], Vector(123, 59)),
  ]
  
  
  @pytest.mark.parametrize("test_input, expected", data)
  def test_multiples_values(test_input, expected):
      assert (test_input[0] + test_input[1]) == expected
  
new_contents: import pytest  # type: ignore
  from hypothesis import given
  
  from ppb_vector import Vector
  from utils import vector_likes, vectors
  
  
  def test_addition_vectors():
      test_vector1 = Vector(1, 0)
      test_vector2 = Vector(0, 1)
      result = test_vector1 + test_vector2
      assert result == Vector(1, 1)
  
  
  def test_addition_vector_tuple():
      test_vector = Vector(1, 1)
      test_tuple = (2, 4)
      result = test_vector + test_tuple
      assert result == Vector(3, 5)
  
  
  def test_addition_vector_list():
      test_vector = Vector(1, 1)
      test_list = [1, 3]
      result = test_vector + test_list
      assert result == Vector(2, 4)
  
  
  def test_addition_vector_dict():
      test_vector = Vector(1, 1)
      test_dict = {"x": 3, "y": 5}
      result = test_vector + test_dict
      assert result == Vector(4, 6)
  
  
  data = [
      ([Vector(1, 1), (2, 2)], Vector(3, 3)),
      ([Vector(1, 2), [2, 2]], Vector(3, 4)),
      ([Vector(1, 2), {"x": 2, "y": 2}], Vector(3, 4)),
      ([Vector(10, 16), Vector(2, 2)], Vector(12, 18)),
      ([Vector(25, 22), (12, 92)], Vector(37, 114)),
      ([Vector(25, 22), Vector(22, 61)], Vector(47, 83)),
      ([Vector(39, 43), Vector(92, -12)], Vector(131, 31)),
      ([Vector(42, 12), (-5, 23)], Vector(37, 35)),
      ([Vector(51, 28), [72, 31]], Vector(123, 59)),
  ]
  
  
  @pytest.mark.parametrize("test_input, expected", data)
  def test_multiples_values(test_input, expected):
      assert (test_input[0] + test_input[1]) == expected
  
  
  @given(x=vectors(), y=vectors())
  def test_addition_reverse(x: Vector, y: Vector):
      for y_like in vector_likes(y):
          assert y_like + x == x + y
  
subject: Test __radd__ with vector-likes