说明：  这使用Streamlit定义了一个新闻摘要web应用程序，允许用户访问和阅读来自各种来源的新闻文章。下面是项目所做工作的摘要—导入必要的Python库，包括用于web应用程序的Streamlit、用于web抓取的BeautifulSoup、用于图像处理的PIL。
(This defines a news summarization web application using Streamlit, allowing users to access and read news articles from various sources. Here s an abstract of what the project does the necessary Python libraries are imported, including Streamlit for the web application, BeautifulSoup for web scraping, PIL for image processing.)