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提示：python转化JSON的函数是json.loads（）

提示：把JSON转化为Python数据叫反序列化，同理将Python数据转化为JSON数据叫序列化，下图是JSON和Python数据类型的对应表：

# 导入json处理包import json# 下面是一个json格式数据,多行字符串用'''data_iphone_json = '''{    "data": [    {            "creator": {                "_id": "5cecd40dd23e194ab0867aab",                "name": "查理",                "username": "cxt7777"            },            "updater": {                "_id": "5cecd40dd23e194ab0867aab",                "name": "查理",                "username": "cxt7777"            },            "deleter": null,            "createTime": "2020-03-26T02:41:06.491Z",            "updateTime": "2020-03-26T02:46:27.825Z",            "deleteTime": null,            "_widget_1557886562320": "iPhone 11",            "_widget_1557886562335": "5998",            "_widget_1557886562350": "17",            "_id": "5e7c164229e01a00063be284",            "appId": "5e798363b587cc0006b40445",            "entryId": "5cdb765b5a6ae613aeed0f84"        },        {            "creator": {                "_id": "5cecd40dd23e194ab0867aab",                "name": "查理",                "username": "cxt7777"            },            "updater": {                "_id": "5cecd40dd23e194ab0867aab",                "name": "查理",                "username": "cxt7777"            },            "deleter": null,            "createTime": "2020-03-26T02:47:02.037Z",            "updateTime": "2020-03-26T02:47:02.037Z",            "deleteTime": null,            "_widget_1557886562320": "iPhone X",            "_widget_1557886562335": "4998",            "_widget_1557886562350": "5",            "_id": "5e7c17a650bccb0006441778",            "appId": "5e798363b587cc0006b40445",            "entryId": "5cdb765b5a6ae613aeed0f84"        },        {            "creator": {                "_id": "5cecd40dd23e194ab0867aab",                "name": "查理",                "username": "cxt7777"            },            "updater": {                "_id": "5cecd40dd23e194ab0867aab",                "name": "查理",                "username": "cxt7777"            },            "deleter": null,            "createTime": "2020-03-26T02:47:43.059Z",            "updateTime": "2020-03-26T02:47:43.059Z",            "deleteTime": null,            "_widget_1557886562320": "iPhone 8",            "_widget_1557886562335": "3998",            "_widget_1557886562350": "32",            "_id": "5e7c17cfcd87510006cf8189",            "appId": "5e798363b587cc0006b40445",            "entryId": "5cdb765b5a6ae613aeed0f84"        }    ]}'''# 要求1：将数据复制到Python,并赋值给变量data_ iphone) 提示:需要先手动将json数据处理成Python的字典数据# 将json格式转化为python格式data_iphone = json.loads(data_iphone_json)# print(data_iphone)'''要求2：使用Python代码从数据中提取出iPhone 8的商品数量("_widget_ 1557886562350"),并赋值给变量num_ iphone80提示: iphone 8是'data'里面的第3个数据，需要使用data_ iphone['data'][2]进行索引'''num_iphone8 = data_iphone['data'][2]['_widget_1557886562350']print(num_iphone8)'''使用for循环，从数据中提取出所有的商品价格("_widget_1557886562335")，并赋值给变量price (建议price使用列表格式)并用Python去处理数据'''# 获得产品价格,函数导入产品数据，产品的keydef get_price(data_iphone_products, product_key):    # 定义一个价格的列表    product_price = []    # 遍历data列表中的产品    for products in data_iphone_products['data']:        # 将产品的价格添加到价格列表中        product_price.append(products[product_key])    return product_price# 通过函数获得所有商品中的价格price = get_price(data_iphone, '_widget_1557886562335')print(price)

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