text: import os
  
  PROBLEMS = [
      "translate_deen_legal32k",
      "summarize_de_legal32k",
      "multi_labeling_de_legal32k",
  ]
  
  
  def main():
      joint = ""
      for problem in PROBLEMS:
          joint += problem+"-"
  
      joint = joint[:-1]
      print(joint)
      cmd = "python ./t2t-trainer --data_dir=$DATA_DIR/joint --output_dir=$TRAIN_DIR/joint/all-de --worker_gpu=4 --train_steps=500000 --model=multi_model --hparams_set=multimodel_legal --save_checkpoints_secs=600 --problems="+joint
      os.system(cmd)
  
  
  main()
  