code: def main(cmd=None):
      r"""ASVSpoof training.
      Example:
          % python asvspoof_train.py asr --print_config --optim adadelta \
                  > conf/train_asvspoof.yaml
          % python asvspoof_train.py --config conf/train_asvspoof.yaml
      """
      ASVSpoofTask.main(cmd=cmd)
  
label_desc: Use image node_id 2 for calling a global function with example usage: main(cmd) without return types