【python】datetime 计算两个时间的时间差, 以 秒为单位

from datetime import datetime

time1 = datetime(2022,6,14,10)
time2 = datetime(2022,6,14,11)

seconds = (time2-time1).total_seconds()  # 3600.0
seconds_1 = (time1-time2).total_seconds()  # -3600.0