Python 时间转化

1、字符串转datetime

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1 2	from datetime import datetime, timedelta time_a = datetime.strptime('2022-09-03 20:31:10', "%Y-%m-%d %H:%M:%S")

2、datetime转字符串

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1	str_time_a = time_a.strftime("%Y-%m-%d")

　　输出

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1 2	2022-09-03 20:31:10 2022-09-03