python中時間相加問題

python中時間相加，好比用2008-01-31 00:11:23加上30分鐘，寫法以下：python import datetime,timespa format="%Y-%m-%d %H:%M:%S" result=datetime.datetime(*time.strptime("2008-01-31 00:11:23",format)[:6])-datetime.timedelta(mi

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