datetime模块
# datetime模块可以看成是时间加减的模块
import datetime
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返回当前时间
print(datetime.datetime.now())2019-08-16 19:33:39.557899
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更改时间
# 当前时间+3天 print(datetime.datetime.now() + datetime.timedelta(3))2019-08-19 19:33:39.557899
当前时间3小时 print(datetime.datetime.now() + datetime.timedelta(hours=3))2019-08-19 22:33:39.557899
# 当前时间+3分钟 print(datetime.datetime.now() + datetime.timedelta(minutes=3))2019-08-19 22:33:42.557899
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时间替换
# 时间替换 c_time = datetime.datetime.now() print(c_time.replace(minute=20, hour=5, second=13))2019-08-16 05:20:13.617117