import json

with open('sample.json', 'r') as f:
    data = json.load(f)

  
import json
import urllib.request

url = 'https://fl8.jp/sample.json'
    res = urllib.request.urlopen(url)
    # json_loads() でPythonオブジェクトに変換
    data = json.loads(res.read().decode('utf-8'))
    

import json
savepath = 'sample.json'
with open(savepath, 'w') as outfile:
    json.dump(data, outfile)

import json
jsn = json.dumps(data)
print(jsn)