python3爬虫：下载网易云音乐排行榜

#!/usr/bin/python3
# -*- encoding:utf-8 -*-

# 网易云音乐批量下载

import requests
import urllib

# 榜单歌曲批量下载
# r = requests.get('http://music.163.com/api/playlist/detail?id=2884035')  # 网易原创歌曲榜
# r = requests.get('http://music.163.com/api/playlist/detail?id=19723756') # 云音乐飙升榜
# r = requests.get('http://music.163.com/api/playlist/detail?id=3778678')  # 云音乐热歌榜
r = requests.get('http://music.163.com/api/playlist/detail?id=3779629')    # 云音乐新歌榜

# 歌单歌曲批量下载
# r = requests.get('http://music.163.com/api/playlist/detail?id=123415635')    # 云音乐歌单——【华语】中国风的韵律，中国人的印记
# r = requests.get('http://music.163.com/api/playlist/detail?id=122732380')    # 云音乐歌单——那不是爱，只是寂寞说的谎

arr = r.json()['result']['tracks'] # 共有100首歌

for i in range(10):    # 输入要下载音乐的数量，1到100。
   name = str(i+1) + ' ' + arr[i]['name'] + '.mp3'
   link = arr[i]['mp3Url']
   urllib.request.urlretrieve(link, '网易云音乐\\' + name) # 提前要创建文件夹
   print(name + ' 下载完成')