例子:
计算上一个星期五并输出。
解答:
import datetime, calendar
lastFriday = datetime.date.today( )
oneday = datetime.timedelta(days=1)
lastFriday -= oneday
while lastFriday.weekday( ) != calendar.FRIDAY:
lastFriday -= oneday
print lastFriday.strftime('%A, %d-%b-%Y')
输出结果:lastFriday = datetime.date.today( )
oneday = datetime.timedelta(days=1)
lastFriday -= oneday
while lastFriday.weekday( ) != calendar.FRIDAY:
lastFriday -= oneday
print lastFriday.strftime('%A, %d-%b-%Y')
Friday, 09-May-2008
获取当前时间并计算时间差:
t1 = datetime.datetime.now()
quickshort(data, 0, len(data) - 1)
t2 = datetime.datetime.now()
print t1 - t2
quickshort(data, 0, len(data) - 1)
t2 = datetime.datetime.now()
print t1 - t2
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