text: from unittest import TestCase
  from unittest import main
  
  from greet_me import greet
  
  
  class TestGreetMe(TestCase):
      def test_greet(self):
          ptr = [
              ('riley', 'Hello Riley!'),
              ('molly', 'Hello Molly!'),
              ('BILLY', 'Hello Billy!'),
          ]
          for inp, exp in ptr:
              with self.subTest(inp=inp, exp=exp):
                  self.assertEqual(greet(name=inp), exp)
  
  
  if __name__ == "__main__":
      main(verbosity=2)
  