kinila 发表于 2018-8-9 07:49:45

python datetime模块的timedelta

>>> import datetime  
>>> datetime.datetime.now()
  
datetime.datetime(2016, 1, 14, 17, 56, 3, 493000)
  
>>> datetime.datetime.now() - datetime.timedelta(days = 100)
  
datetime.datetime(2015, 10, 6, 18, 0, 58, 307000)
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