",".join(item.get("tags") or []),
让我们来分解一下：<start_function_call — 函数调用开始，call: — 前缀，change_background_color — 函数名，{color:<escapered<escape} — 带转义标记的参数，<end_function_call — 函数调用结束。
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"I could carry a meeting without any problems; but then I'd be sat there, not knowing what the name of something was that I've known for years, then you're embarrassed, then the hot flushes come and the anxiety and overwhelm and it was just all too much.
soup = BeautifulSoup(html, "html.parser")