def test_return_change(self):
     self.assertEqual(give_change(.17), [.10, .05, .02],
                      'wrong change given')
     self.assertEqual(give_change(.18), [.10, .05, .02, .01],
                      'wrong change given')
 def test_return_change(self):
     self.assertEqual(give_change(.17), [.10, .05, .02], 'wrong change given')
     self.assertEqual(give_change(.18), [.10, .05, .02, .01], 'wrong change given')
 def test_multiple_same_coins(self):
     self.assertEqual(give_change(.04), [.02, .02])
 def test_multiple_same_coins(self):
     self.assertEqual(give_change(.04), [.02, .02])