如果 class 名称出现在另一个 class 名称中,我该怎么办?

What should I do if a class name is present in another class name?

我试图从一个电子商务网站上抓取一些数据,我需要 div 标签内 span 标签中产品的折扣百分比,标签名称为 class “VGWI6T”但它也给了我名称为“VGWI6T _2YXy_Y”的 class 产品折扣百分比。

<div>
.......
.......
......
<div class= "VGWI6T">

  <span>25% off</span>

</div>
.....
.....
.....
</div>

.........
...........
......

<div>
....
....
....
<div class= "VGWI6T _2YXy_Y">

  <span>25% off</span>
</div>
....
.....
</div>

我怎样才能只抓取以前 class 名称 (VGWI6T) 的那些产品? 当我在做的时候:

Discount = bs.find_all('div',class_='VGWI6T', attars= 'span')

即使属于VGWI6T的产品也给我所有的折扣_2YXy_Yclass.

使用 css 选择器并且 class 不包含 _2YXy_Y

from bs4 import BeautifulSoup
html='''<div>
.......
.......
......
<div class= "VGWI6T">

  <span>25% off</span>

</div>
.....
.....
.....
</div>

.........
...........
......

<div>
....
....
....
<div class= "VGWI6T _2YXy_Y">

  <span>25% off</span>
</div>
....
.....
</div>'''

soup=BeautifulSoup(html,"html.parser")
for item in soup.select(".VGWI6T:not(._2YXy_Y) span "):
    print(item.text)