fromdatetimeimportdatetime,timedeltadeflast_day_of_previous_month():today=datetime.today()first_day_of_this_month=today.replace(day=1)last_day_of_previous_month=first_day_of_this_month-timedelta(days=1)returnlast_day_of_previous_monthprint(last_day_of_previous_month()) 1. 2. 3. 4. 5. ...
具体步骤如下所示: returnlast_day 1. 完整代码示例 importdatetimeimportcalendardefget_last_day_of_previous_month():today=datetime.date.today()year=today.year month=today.month-1ifmonth==0:year=year-1month=12_,last_day=calendar.monthrange(year,month)returnlast_day 1. 2. 3. 4. 5. 6. 7....
from datetime import datetime, timedelta def get_last_day_of_previous_month(): current_date = datetime.now() first_day_current_month = current_date.replace(day=1) last_day_previous_month = first_day_current_month - timedelta(days=1) return last_day_previous_month.strftime('%Y-%m-%d') p...
# and tha accept month, quarter and year units # first_of(), last_of(), nth_of() begin = pdl.first_of('quarter') end = pdl.last_of('quarter') 其中, start_of:用于计算某个起始时间,可以是 天、年、月、周,甚至可以是世纪。end_of 是类似的,用于计算结束 next:用于计算以一个星期,不...
previous_month='01'last_trading_days=[]forindex,dayinenumerate(date):# Extract month from date ...
defdate_range(start,stop,step):whilestart<stop:yieldstartstart+=stepdefmonth_range():a_day=timedelta(days=1)first_day,last_day=get_month_range()whilefirst_day<last_day:print(first_day)first_day+=a_day# 使用生成器fordindate_range(datetime(2012,9,1),datetime(2012,10,1),timedelta(hours=...
in the last month of the quarter last_month_weeks = len(weeks_in_quarter) # Check if the first week of the last month starts in the previous year if weeks_in_quarter[0][calendar.MONDAY] == 0: last_month_weeks -= 1 weeks_in_quarters.append(last_month_weeks) return weeks_in...
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Write a Python program to calculate the number of days between two dates. Python datetime.date(year, month, day) : The function returns date object with same year, month and day. All arguments are required. Arguments may be integers, in the following ranges: ...
日期:${YEAR}年${MONTH}月${DAY}日""" if__name__=='__main__': 预设模板变量如下: (1)${DATE}-当前系统日期 (2)${DAY}-本月的当前日期 (3)${DIR_PATH}-新文件所在目录的路径(相对于项目根目录) (4)${DS}-美元符号$此变量用于转义美元字符,因此不会将其视为模板变量的前缀 ...