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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def call_me(iocb):
 """ When a controller completes the processing of a request, the IOCB can contain one or more functions to be called. """

    if _debug: call_me._debug("callback_function %r", iocb)

    # it will be successful or have an error
    print("call me, %r or %r" % (iocb.ioResponse, iocb.ioError))