这是周杰伦歌名提取训练,请问字典提取那一步首个['data']是哪里来的?

import requests

引用requests库

res_music = requests.get('https://c.y.qq.com/soso/fcgi-bin/client_search_cp?ct=24&qqmusic_ver=1298&new_json=1&remoteplace=txt.yqq.song&searchid=60997426243444153&t=0&aggr=1&cr=1&catZhida=1&lossless=0&flag_qc=0&p=1&n=20&w=%E5%91%A8%E6%9D%B0%E4%BC%A6&g_tk=5381&loginUin=0&hostUin=0&format=json&inCharset=utf8&outCharset=utf-8&notice=0&platform=yqq.json&needNewCode=0')

调用get方法,下载这个字典

json_music = res_music.json()

使用json()方法,将response对象,转为列表/字典

list_music = json_music['data']['song']['list']

一层一层地取字典,获取歌单列表

for music in list_music:
print(music['name'])

图片说明

什么哪里来的?这里面的所有内容都是接口返回的啊,接口有返回data,不就有data咯