ref: 66c512248c5cda63b04e2c74e35d5711756b180f
dir: /sys/lib/python/idlelib/testcode.py/
import string
def f():
a = 0
b = 1
c = 2
d = 3
e = 4
g()
def g():
h()
def h():
i()
def i():
j()
def j():
k()
def k():
l()
l = lambda: test()
def test():
string.capwords(1)
f()