Html 使用BeautifulSoup进行web抓取时，无法显示a标记中的文本

我正在尝试使用.text（）获取特定歌曲的持续时间。但是，当显示歌曲和艺术家的名称时，输出是简单的

 from bs4 import BeautifulSoup
 import requests
 import csv
 source=requests.get("https://gaana.com/artist/arijit-singh/latest/asc").text 
 soup=BeautifulSoup(source,"lxml")
 with open("arijit_singh_new_update.csv","w") as arijit_csv_file:
    arijit_csv_file_writer=csv.writer(arijit_csv_file)
    arijit_csv_file_writer.writerow(["title","artists","duration"])
    title_tag=soup.find("div",class_="playlist_thumb_det")  
    title=title_tag.a.text
    composer_tag=soup.find("li",class_="s_artist p_artist desktop")
    composer=composer_tag.a.text
    duration_tag=soup.find("li",class_="s_duration")
    duration=duration_tag.a.text
    print(duration)

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要将歌曲标题、艺术家和持续时间保存到csv文件，可以使用以下示例：

import csv
import requests
from bs4 import BeautifulSoup

url = "https://gaana.com/artist/arijit-singh/latest/asc"

soup=BeautifulSoup(requests.get(url).content,"lxml")

with open('arijit_singh_new_update.csv', 'w', newline='') as csvfile:
    writer = csv.writer(csvfile)
    writer.writerow(["title","artists","duration"])

    for song, artist, duration in zip(
                            soup.select('.s_title a[data-type="playSong"]'),
                            soup.select('.s_artist [data-type="playSong"]'),
                            soup.select('.s_duration [data-type="playSong"]')):
        writer.writerow([song.text, artist.text, duration.text])

这将在LibreOffice中创建csv文件

arijit_singh_new_update.csv

，看起来：

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哦，好吧，我得到了这个解决方案，但我不知道代码中的错误是什么？我可以打印出歌曲名和歌手名，但不能打印出持续时间。如果你能解释一下，我会很高兴的。无论如何，谢谢你！