1 import string

     2 

     3 def f():

     4     a = 0

     5     b = 1

     6     c = 2

     7     d = 3

     8     e = 4

     9     g()

    10 

    11 def g():

    12     h()

    13 

    14 def h():

    15     i()

    16 

    17 def i():

    18     j()

    19 

    20 def j():

    21     k()

    22 

    23 def k():

    24     l()

    25 

    26 l = lambda: test()

    27 

    28 def test():

    29     string.capwords(1)

    30 

    31 f()