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Python json

Python urllib.request

import json
import urllib.request
import urllib.parse

url = 'http://pubchem.ncbi.nlm.nih.gov/rest/pug_view/data/substance/24724290/' \
      'JSON/?version=1&response_type=display'

with open('test.txt', 'w') as json_file:
    with urllib.request.urlopen(url) as f:
        # print(f.read().decode('utf-8'))
        json_file.write(f.read().decode('utf-8'))

with open('test.txt') as json_file:
    data = json.load(json_file)

print(data['Record']['Section'][2]['Section'][1]['Information'][0]['NumValue'])