code: def write_output(df, path):
      os.makedirs(path, exist_ok=True)
      print("%s created" % path)
      df.to_parquet(path + "/processed.parquet")
  
imports: import argparse
  import os
  from azureml.core import Run
  from sklearn.model_selection import train_test_split
label_desc: Use image node_id 1 for calling a global function with example usage: write_output(df, path) without return types