Python 09 json的读写

import json

s = json.loads('{"name":"test", "type":{"1":"上", "2":"下","3":"左","4":"右","5":"前","6":"后","7":"自定义","8":"自定义","9":"自定义","10":"自定义"}}') #定义格式


#写入文件
with open('feature.json','w') as f:
    json.dump(s,f)
    print("finish")

#读取文件    
with open('feature.json','r') as f:
    dict_load = json.load(f)
    print(dict_load)
    print(dict_load["type"]["4"])