Израиль нанес удар по Ирану09:28
strict (default): Rejects writes when the buffer is full and too many writes are pending. Catches "fire-and-forget" patterns where producers ignore backpressure.
，更多细节参见同城约会
公式： f(x)=x⋅σ(x)
soup = BeautifulSoup(html, "html.parser")