python爬虫查询火车票

import requestsfrom bs4 import BeautifulSouphtml = requests.get("https://www.12306.cn/index/").textsoup = BeautifulSoup(html, "html.parser")trains = soup.find_all("tr", {"class": "train-item"})for train in trains:    departure_station = train.find("td", {"class": "station"}).text    arrival_station = train.find("td", {"class": "station", "style": "text-align: right;"}).text    departure_time = train.find("td", {"class": "time"}).text    arrival_time = train.find("td", {"class": "time", "style": "text-align: right;"}).text    tickets_left = train.find("td", {"class": "ticket"}).text    print(f"{departure_station} --> {arrival_station}, 出发时间：{departure_time}, 到达时间：{arrival_time}, 余票：{tickets_left}")