Python 对时区的处理

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#/user/bin/python3   from datetime import datetime, timezone, timedelta     tz = timezone(timedelta(hours=+8))     fmt = '%Y-%m-%dT%H:%M:%S.%f%z' zoned_time1 = datetime.today().astimezone(tz) print(1, zoned_time1.strftime(fmt))  #1 2023-01-03T09:33:27.074210+0800     zoned_time2 = datetime.now(tz) print(2, zoned_time2.strftime(fmt)) #2 2023-01-03T09:33:27.075036+0800     zoned_time3 = datetime.utcnow() print(3, zoned_time3.isoformat()) #3 2023-01-03T01:33:27.075785      print(4, zoned_time2.strftime('%Y-%m-%dT%H:%M:%S.%f%Z')) #4 2023-01-03T09:33:27.075036UTC+08:00     timestamp = datetime.today().timestamp() print(5, timestamp)         #5 1672709607.077365 print(6, datetime.fromtimestamp(timestamp, tz=tz)) #6 2023-01-03 09:33:27.077365+08:00     zoned_time4 = datetime(2023, 1, 3, 9, 31, 34, 345, tzinfo=tz) print(7, zoned_time4.isoformat())  #7 2023-01-03T09:31:34.000345+08:00     print(8, zoned_time2.isoformat())  #8 2023-01-03T09:33:27.075036+08:00