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.
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Single booster packs of Ascended Heroes are in especially high demand, making its usual prices jump even higher than normal: $19.44 each at Walmart, $20.99 each at Target, and $49.99 each at TCGplayer.