endTime = time.time()# ➌print('The result is %s digits long.'% (len(str(prod)))# ➍print('Took %s seconds to calculate.'% (endTime - startTime))# ➎ 在➊,我们定义了一个函数calcProd()来遍历从 1 到 99999 的整数,并返回它们的乘积。在 ➋,我们调用time.time()并存储在start...
datetime.timedelta(weeks, days, hours, minutes, seconds, milliseconds, microseconds):该函数返回一个timedelta对象表示该函数的关键字参数都是可选的,不包括月或年。 total_seconds():这个针对timedelta对象的方法返回timedelta对象代表的秒数。 strftime(format):该方法以基于格式字符串的自定义格式返回由datetime对象...
000 numbers.product = 1for i in range(1, 100000):product = product * ireturn productstartTime = time.time() # ➋prod = calcProd()endTime = time.time() # ➌print('The result is %s digits long.' % (len(str(prod))) # ➍print('Took %s seconds to calculate.' % (endTime ...
today=datetime.date.today()print("当前日期的时间字符串形式:",today.ctime())# 当前日期的时间字符串形式:Wed Mar100:00:002023print("当前日期的元组形式:",today.timetuple())print("当前日期的格式化时间形式:",today.strftime("%Y-%m-%d %H:%M:%S"))# 当前日期的格式化时间形式:2023-03-0100:00:00...
ndigits=-a,a为正整数 小数点左侧第a+1位四舍五入 ASCII转数字 在Python 中,可以使用 `ord` 和 `chr` 函数来实现 ASCII 码和数字之间的相互转换。 - 要将一个字符转换为对应的 ASCII 码,可以使用 `ord` 函数。例如,下面的代码: print(ord('A')) 输出:65 - 要将一个 ASCII 码转换为对应的字符,...
prod=calcProd()endTime=time.time()# ➌print('The result is %s digits long.'%(len(str(prod)))# ➍print('Took %s seconds to calculate.'%(endTime-startTime))# ➎ 在➊,我们定义了一个函数calcProd()来遍历从 1 到 99999 的整数,并返回它们的乘积。在 ➋,我们调用time.time()并存储...
常用的属性有hour, minute, second, microsecond18datetime.datetime:表示日期时间19datetime.timedelta:表示时间间隔,即两个时间点之间的长度20timedelta([days[, seconds[, microseconds[, milliseconds[, minutes[, hours[, weeks]]])21strftime("%Y-%m-%d")22'''23importdatetime24printdatetime.datetime.now()...
milliseconds If you want to know how many total hours have passed between datetime1 and datetime2, you will need to do a little math. There is another function we have not used yet called total_seconds(). This function shows you the total number of seconds from the start time to the en...
strftime('<format>') # Custom string representation. <int> = <D/DT>.toordinal() # Days since Christ, ignoring time and tz. <float> = <DTn>.timestamp() # Seconds since Epoch from DTn in local time. <float> = <DTa>.timestamp() # Seconds since Epoch from DTa. Format >>> from ...
strftime('<format>') # Custom string representation. <int> = <D/DT>.toordinal() # Days since Christ, ignoring time and tz. <float> = <DTn>.timestamp() # Seconds since Epoch from DTn in local time. <float> = <DTa>.timestamp() # Seconds since Epoch from DTa. Format >>> from ...