python json save to file

1with open('output.json', 'w') as outfile:
2    json.dump(data, outfile)

1import json
2
3data = {"key": "value"}
4
5with open('data.json', 'w') as jsonfile:
6    json.dump(data, jsonfile)
7

1with open('data.txt', 'w') as outfile:
2    json.dump(data, outfile)