python回调函数用法实例分析

#call.py
import called
def callback():
  print "in callback"
def main():
  #called.test()
  called.test_call(callback)
  print "in call.py" 
main()

#called.py
'''''
def test():
  print "in called.py test()"
'''
def test_call(p_call):
  print "in called.py test_call()"
  p_call()

joe@joe:~/test/python$ python call.py
in called.py test_call()
in callback
in call.py
joe@joe:~/test/python$