Create a Jupyter Notebook that, using `polars` to process the data, does a thorough exploratory data analysis of data saved in `youtube_videos.db`, for all columns.
Leon’s old scars will have to wait, anyway. Requiem’s new blood is FBI analyst Grace Ashcroft. Equal parts tenacious and nervous, she’s a fitting lens on the horror portion of Requiem’s split focus between disempowered terror and cathartic action. The story opens with Grace – more acquainted with desk work than field ops – tasked to go over a crime scene at a gutted hotel. She knows the place well, since it holds some horrific memories for her. Still, she heads off with little more than a flashlight and a pistol you’ll never find quite enough ammunition for to feel safe.，详情可参考搜狗输入法2026
黎智英欺詐案上訴得直：定罪及刑罰被撤銷，出獄時間提前，推荐阅读同城约会获取更多信息
Additional reporting by Hosu Lee and Leehyun Choi in Seoul