練習-輸出json檔

 import json

data_list=[]

def my_dict(res,**kwargs):

    '快速建立字典'        

    mine_dict={}

    for i,j in kwargs.items():

        mine_dict[i]=j

    res.append(mine_dict)

    return res

my_dict(data_list,id='2',name='Jack',country='usa')

my_dict(data_list,id='3',name='Cindy',country='japan')

data={'People':data_list}

with open('write_json.json','w')as file:

    json.dump(data,file,indent=2)

    #data是python物件要轉換成json的字典或list

    #file將要轉換的資料寫入指定的檔案物件

    #indent 指定縮排數量,增加可讀性

--------------------write_json.json-----------------------

{

  "People": [

    {

      "id": "2",

      "name": "Jack",

      "country": "usa"

    },

    {

      "id": "3",

      "name": "Cindy",

      "country": "japan"

    }

  ]

}