12             def adder(y):  function
14             return adder
26                 def adder(y):  function
28                 return adder
40             def adder(y):  function
43             return adder
56                     def adder(y):  function
58                     return adder
63         adder = make_adder4()
64         self.assertEqual(adder(1), 2)
67         self.assertEqual(adder(-2), 8)
87             def adder(y):  function
90             return adder