import json

with open('head.json', 'r') as f:
    j = json.load(f)
    chenghao = j['1']
    head = j['2']
    headframe = j['3']
    with open('chenghao.json', 'w', encoding='utf8') as f:
        json.dump(chenghao, f)
    with open('head.json', 'w', encoding='utf8') as f:
        json.dump(head, f)
    with open('headframe.json', 'w', encoding='utf8') as f:
        json.dump(headframe, f)