import json

# json.dumps()：將字典轉化為字串
dict = {"age": "12"}
json_info = json.dumps(dict)

# json.loads()：將字串轉化為字典
str = '{"age": "12"}'
dict1 = json.loads(str)

# json.dump()：將json資訊寫進檔案
json_info = "{'age': '12'}"
file = open('1.json','w',encoding='utf-8')
json.dump(json_info,file)

# json.load()：將讀取json資訊
file = open('1.json','r',encoding='utf-8')
info = json.load(file)
print(info)