python实战项目火车票

开始↓乘客登录/注册↓查询列车时刻表↓选择列车↓预订火车票↓查看预订记录↓退票（可选）↓结束

# 乘客信息passengers = {}# 列车时刻表schedule = [    {"origin": "北京", "destination": "上海", "departure": "08:00", "arrival": "12:00", "price": 500},    {"origin": "上海", "destination": "广州", "departure": "10:00", "arrival": "14:00", "price": 600},]# 预订记录bookings = []# 乘客登录def login(username):    if username in passengers:        return passengers[username]    else:        return None# 查询时刻表def get_schedule(origin, destination):    for train in schedule:        if train["origin"] == origin and train["destination"] == destination:            return train    return None# 预订火车票def book_ticket(passenger, train):    booking = {        "passenger": passenger["name"],        "id_number": passenger["id_number"],        "train": train["name"],        "departure": train["origin"],        "arrival": train["destination"],        "time": datetime.now(),    }    bookings.append(booking)# 查看预订记录def get_bookings(passenger):    return [booking for booking in bookings if booking["passenger"] == passenger["name"]]# 退票def cancel_booking(booking):    bookings.remove(booking)