Python获得当前时间

>>> import datetime
>>> now_time =datetime.datetime.now()
>>> print(now_time)
2022-09-26 11:24:10.350295
>>> now =datetime.datetime.now()
>>> now.strftime('%Y-%m-%d')
'2022-09-26'
>>> now.strftime('%Y-%m-%d %H:%M:%S')
'2022-09-26 11:25:11'