text: import json
  import sys
  
  if __name__ == '__main__':
      if len(sys.argv) != 3:
          print("Usage: python3 raw_data_parser.py json_data_path n")
          exit(1)
      json_data_path = sys.argv[1]
      n = int(sys.argv[2])
  
      with open(json_data_path, 'r') as f:
          all_data = json.loads(f.read())['features']
          sub = all_data[:len(all_data) - n - 1:-1]
          print(json.dumps(sub))
  