json dump in file python nice format code example

Example 1: python write to json with indent

import json

# alphabetic dictionary
json_data = {hex(k): chr(k) for k in range(ord('a'), ord('z') + 1)}
# to file
with open("my_json.json", "w") as file:
    json.dump(json_data, file, indent=4, sort_keys=True)

Example 2: python format json file

python3 -m json.tool unformatted.json > formatted.json