智能会议 12.12促销活动

from datetime import datetime

class MeetingScheduler:
    def __init__(self):
        self.meetings = []

    def add_meeting(self, title, start_time, end_time):
        if start_time >= end_time:
            raise ValueError("Start time must be before end time.")
        for meeting in self.meetings:
            if start_time < meeting['end_time'] and end_time > meeting['start_time']:
                raise ValueError("Time slot overlaps with an existing meeting.")
        self.meetings.append({'title': title, 'start_time': start_time, 'end_time': end_time})

    def list_meetings(self):
        return self.meetings

# 使用示例
scheduler = MeetingScheduler()
try:
    scheduler.add_meeting("Project Discussion", datetime(2023, 12, 12, 10, 0), datetime(2023, 12, 12, 11, 0))
    print(scheduler.list_meetings())
except ValueError as e:
    print(e)