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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 submit(self):
 """ Submit transfer for asynchronous handling. """

        if self.__submitted:
            raise ValueError('Cannot submit a submitted transfer')
        if not self.__initialized:
            raise ValueError(
                'Cannot submit a transfer until it has been initialized'
            )
        if self.__doomed:
            raise DoomedTransferError('Cannot submit doomed transfer')
        self.__before_submit(self)
        self.__submitted = True
        result = libusb1.libusb_submit_transfer(self.__transfer)
        if result:
            self.__after_completion(self)
            self.__submitted = False
            raiseUSBError(result)