Python获取最近1分钟，5分钟，15分钟的时间

import datetime
one_minute_ago = datetime.datetime.now() - datetime.timedelta(minutes=1)
five_minutes_ago = datetime.datetime.now() - datetime.timedelta(minutes=5)
fifteen_minutes_ago = datetime.datetime.now() - datetime.timedelta(minutes=15)

print(one_minute_ago)
print(five_minutes_ago)
print(fifteen_minutes_ago)