json模块可以将字符串转换为dic和str,其中比较常用的是dumps和loads.
import json
dic = {"name":"jack","age":"50"}
print("dic的类型是"+ str(type(dic)))
dictostr = json.dumps(dic)
print("dictostr的类型是"+ str(type(dictostr)))
strtodic = json.loads(dictostr)
print("strtodic的类型是"+ str(type(strtodic)))