def test_equal_1(self): self.assertEqual(remove_exclamation_marks('Hello World!'), 'Hello World')
def test_equal_4(self): self.assertEqual(remove_exclamation_marks(''), '')
def test_equal_5(self): self.assertEqual(remove_exclamation_marks('Oh, no!!!'), 'Oh, no')
def test_equal_3(self): self.assertEqual(remove_exclamation_marks('Hi! Hello!'), 'Hi Hello')