save a dict to json python

import json

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

import json
with open('result.json', 'w') as fp:
    json.dump(sample, fp)

# app.py

import json

appDict = {
  'name': 'messenger',
  'playstore': True,
  'company': 'Facebook',
  'price': 100
}
app_json = json.dumps(appDict)
print(app_json)