old_contents: import pytest
  
  from pyseeyou.locales import get_parts_of_num, lookup_closest_locale
  
  def test_get_parts_of_num():
      assert get_parts_of_num('1') == (1, 1, 0, 0, 0, 0)
      assert get_parts_of_num('1.0') == (1.0, 1, 1, 0, 0, 0)
      assert get_parts_of_num('1.00') == (1.00, 1, 2, 0, 0, 0)
      assert get_parts_of_num('1.3') == (1.3, 1, 1, 1, 3, 3)
      assert get_parts_of_num('1.30') == (1.30, 1, 2, 1, 30, 3)
      assert get_parts_of_num('1.03') == (1.03, 1, 2, 2, 3, 3)
      assert get_parts_of_num('1.230') == (1.230, 1, 3, 2, 230, 23)
  
  def test_lookup_closest_locale():
      dummy_dict = { 'uk': 'Ukrainian', 'fr': 'French' }
  
      assert lookup_closest_locale('fr_FR', dummy_dict) == 'fr'
      assert not lookup_closest_locale('be-BY', dummy_dict)
  
  
new_contents: import pytest
  
  from pyseeyou.locales import get_parts_of_num, lookup_closest_locale, get_cardinal_category
  
  def test_get_parts_of_num():
      assert get_parts_of_num('1') == (1, 1, 0, 0, 0, 0)
      assert get_parts_of_num('1.0') == (1.0, 1, 1, 0, 0, 0)
      assert get_parts_of_num('1.00') == (1.00, 1, 2, 0, 0, 0)
      assert get_parts_of_num('1.3') == (1.3, 1, 1, 1, 3, 3)
      assert get_parts_of_num('1.30') == (1.30, 1, 2, 1, 30, 3)
      assert get_parts_of_num('1.03') == (1.03, 1, 2, 2, 3, 3)
      assert get_parts_of_num('1.230') == (1.230, 1, 3, 2, 230, 23)
  
  def test_lookup_closest_locale():
      dummy_dict = { 'uk': 'Ukrainian', 'fr': 'French' }
  
      assert lookup_closest_locale('fr_FR', dummy_dict) == 'fr'
      assert not lookup_closest_locale('be-BY', dummy_dict)
  
  def test_get_cardinal_category():
      assert get_cardinal_category('2.0', 'ar') == 'two'
      assert get_cardinal_category('13', 'ar') == 'many'
  
subject: Add get_cardinal_category test