for movie in movies:
    a = movie.select_one('td.title > div > a')
    if a is not None:
       title = a.text
       rank = movie.select_one('td:nth-child(1) > img')['alt']
       star = movie.select_one('td.point').text
       doc = {
          'title': title,
          'rank': rank,
          'star': star
       }
       db.movies.insert_one(doc)