Create a robust Python script that, given a YouTube Channel ID, can scrape the YouTube Data API and store all video metadata in a SQLite database. The YOUTUBE_API_KEY is present in `.env`.
第五十五条 当事人应当对自己的主张提供证据。
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Inside the box, you’ll get nine Ascended Heroes booster packs, a full-art foil promo card featuring N’s Zekrom, 65 themed card sleeves, 40 Energy cards, six damage-counter dice, a competition-legal coin-flip die, a plastic coin, a player’s guide, and a collector’s storage box with dividers. There’s also a code card for Pokémon TCG Live.
The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.