import json
s = '{"k1":123}'
dic = json.loads(s)
print(dic,type(dic))
s1 = json.dumps(dic)
print(s1,type(s1))
>>>
{'k1': 123} <class 'dict'>
{"k1": 123} <class 'str'>
import json
li = [11,22,33]
json.dump(li,open('db','w',encoding='utf-8')) #将Python序列化的东西直接写入文件中
l1 = json.load(open('db','r')) #从文件中反序列化得到Python对象
print(l1,type(l1))
import pickle
li = [11,22,33,44]
pickle.dump(li,open('db1','wb')) #将列表写入到文件中,保存为Python特殊格式
l = pickle.load(open('db1','rb')) #从文件中load下来。
print(l)
r = pickle.dumps(li)
print(r)
l2 = pickle.loads(r)
print(l2)