Custom node or way to get random elements from json arrays

Custom Nodes
1 
    with open(prompts_path, 'r') as f:
        prompts = json.load(f)

    location = random.choice(prompts['prompts']['locations']).strip('"')
    pose = random.choice(prompts['prompts']['poses']).strip('"')
    clothing = random.choice(prompts['prompts']['clothing']).strip('"')

here a python code that extract values from json (just to explain what I need)