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def deco_funcNeedDoc(func):
if func.__doc__ == None:
print func,'has no __doc__'
else:
print func,':',func.__doc__
return func
'''
def deco_funcNeedDoc(func):
def iner():
if func.__doc__ == None:
print func,'has no __doc__'
else:
print func,':',func.__doc__
func()
#return func
return iner
'''
@deco_funcNeedDoc
def f():
print 'f() do something'
@deco_funcNeedDoc
def g():
'I have a __doc__'
print 'g() do something'
f()
g()