text: import sys
  import pandas as pd
  
  
  def main():
      """Here one wold implement preliminary operations e.g. removing NAs"""
      args = sys.argv[1:]
      input_file = args[0]
      output_file = args[1]
      print(f"Input: {input_file}")
      print(f"Output: {output_file}")
      df_in = pd.read_csv(input_file)
      print("Input DF info:")
      df_in.info()
  
      df_balanced = df_in
      print("Output DF info:")
      df_balanced.info()
  
      df_balanced.to_csv(output_file, index=False)
  
  
  if __name__ == "__main__":
      main()
  