I have a JSON file as follows namerunoob alexa10000 sites site1wwwrunoobcom site2mrunoobcom site3crunoobcom How should I query the value of site2 in Python

You can use the json module in Python to load the JSON file and access the value of "site2" as follows:

import json

# load the JSON file
with open('file.json') as f:
    data = json.load(f)

# access the value of "site2"
site2 = data['sites']['site2']

print(site2) # output: "m.runoob.com"