He decided to create a new kind of visual communications company, called SpeedPro. The vision was simple but ambitious: Don’t just print, be the last mile of visual marketing. Make a brand impossible to ignore — on walls, windows, floors, vehicles, and every surface a customer might see. The tagline is: “Great. Big. Graphics.”
tasks = append(tasks, t)
，详情可参考safew官方下载
SAT problem with 10 variables and 200 clauses
next_a = soup.select_one("a.next")