new_contents: #!/usr/bin/env python3
  
  """Main executable for ShivyC compiler
  
  """
  
  import argparse
  
  def get_arguments():
      """Set up the argument parser and return an object storing the
      argument values.
  
      return - An object storing argument values, as returned by
      argparse.parse_args()
  
      """
  
      parser = argparse.ArgumentParser(description="Compile C files.")
  
      # The C file to compile
      parser.add_argument("file_name")
      return parser.parse_args()
  
  
  if __name__ == "__main__":
      arguments = get_arguments()
      
  
subject: Add argument parsing to main executable