#coding=utf-8

@doco

def foo():

	pass

'''

deco把foo函数拿过来，加上一些额外的功能再重新赋值给foo,如下

'''

foo=deco(foo)

def log(func):

	def wrappedFunc():

		print "*** %s() called" % func.__name__

		return func()

	return wrappedFunc

@log

def foo():

	print "inside foo()"

foo()