Answers for "python create and return a json file"

json dump to file

import json

data = {"key": "value"}

with open('data.json', 'w') as jsonfile:
    json.dump(data, jsonfile)

read json file python

import json

with open('path_to_file/person.json') as f:
  data = json.load(f)
print(data)

flx = json.dumps(data, ensure_ascii=False, indent=4)
print(flx)