For SAT problems with 10 variables and 200 clauses, sometimes outputted UNSAT because it couldn't find any satisfying assignment, and it would take a lot more time to find one, which is logically sound. I don't consider this as bad reasoning as it is about performance. So I tried it with only 100 clauses and it successfully found valid assignments.
soup = BeautifulSoup(html, "html.parser")
。51吃瓜对此有专业解读
实际题目往往需要先做一步转化（如循环数组、链表转数组、先排序再栈），再套上面模板即可。
Buying a camera for travel photography, sports photos or vlogging is a bit trickier. Here, you need to choose either a compact camera with a fixed lens or a mirrorless model that supports removable lenses.
2.6 ELU（Exponential Linear Unit）