text: is a social news website focusing on computer science and entrepreneurship. It is run by the investment fund and startup incubator Y Combinator. In general, content that can be submitted is defined as "anything that gratifies one's intellectual curiosity."This notebook covers how to pull page data and comments from Hacker Newsfrom langchain.document_loaders import HNLoaderloader = HNLoader("https://news.ycombinator.com/item?id=34817881")data = loader.load()data[0].page_content[:300]    "delta_p_delta_x 73 days ago  \n             | next [â€“] \n\nAstrophysical and cosmological simulations are often insightful. They're also very cross-disciplinary; besides the obvious astrophysics, there's networking and sysadmin, parallel computing and algorithm theory (so that the simulation programs a"data[0].metadata    {'source': 'https://news.ycombinator.com/item?id=34817881',     'title': 'What Lights the Universeâ€™s Standard Candles?'}PreviousGutenbergNextHuggingFace datasetCommunityDiscordTwitterGitHubPythonJS/TSMoreHomepageBlogCopyright Â© 2023 LangChain, Inc.