如何从Google Calendar API获取活动ID？

import os.path
import pickle
from google.auth.transport.requests import Request
from google.oauth2.credentials import Credentials
from google_auth_oauthlib.flow import InstalledAppFlow
from googleapiclient.discovery import build

# If modifying these SCOPES, delete the file token.pickle.
SCOPES = ['https://www.googleapis.com/auth/calendar.readonly']

def get_google_calendar_service():
    creds = None
    # The file token.pickle stores the user's access and refresh tokens, and is
    # created automatically when the authorization flow completes for the first
    # time.
    if os.path.exists('token.pickle'):
        with open('token.pickle', 'rb') as token:
            creds = pickle.load(token)
    # If there are no (valid) credentials available, let the user log in.
    if not creds or not creds.valid:
        if creds and creds.expired and creds.refresh_token:
            creds.refresh(Request())
        else:
            flow = InstalledAppFlow.from_client_secrets_file(
                'credentials.json', SCOPES)
            creds = flow.run_local_server(port=0)
        # Save the credentials for the next run
        with open('token.pickle', 'wb') as token:
            pickle.dump(creds, token)

    service = build('calendar', 'v3', credentials=creds)
    return service

def get_event_ids():
    service = get_google_calendar_service()
    events_result = service.events().list(calendarId='primary', maxResults=10).execute()
    events = events_result.get('items', [])

    event_ids = [event['id'] for event in events]
    return event_ids

if __name__ == '__main__':
    event_ids = get_event_ids()
    print(f'Event IDs: {event_ids}')