new_contents: #!/usr/bin/python3
  
  import json
  import sys
  from pprint import pprint
  import requests
  
  with open(sys.argv[1]) as data_file:
          data = json.load(data_file)
          r = requests.post("http://localhost:5000/backtest",
                            data)
          print(r.text)
  
subject: add backtest.py