下面是一个使用pandas库的示例代码: importpandasaspddefget_previous_month(date):# 获取指定日期的前一个月previous_month=pd.to_datetime(date)-pd.DateOffset(months=1)returnprevious_month.to_period('M').to_timestamp()# 测试代码date=datetime.date(2022,1,15)previous_month=get_previous_month(date)p...
previous_month_date=current_date-relativedelta(months=1)print("前一个月的日期:",previous_month_date) 1. 2. 3. 4. 完整示例 下面是一个完整的示例,演示如何获取当前日期,并计算前一个月的日期: importdatetimefromdateutil.relativedeltaimportrelativedelta current_date=datetime.datetime.now().date()print(...
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...
import datetime # 获取当前日期 current_date = datetime.date.today() # 获取指定类别的先前日期 def get_previous_date(category): if category == 'week': # 上一周的日期 previous_date = current_date - datetime.timedelta(days=7) elif category == 'month': # 上一个月的日期 previous_date ...
def _get_previous_day(report_date=None): """得到上一天的日期""" return report_date - datetime.timedelta(days=1) def _get_next_day(report_date=None): """得到下一天日期""" return report_date + datetime.timedelta(days=1) === 转载自:http://hi.baidu.com/_yuan0518/item/14c4e2272a88d...
encoded_df = pd.DataFrame(encoded_data, columns=encoder.get_feature_names_out(non_numeric_columns)) x = pd.concat([x.drop(non_numeric_columns, axis=1), encoded_df], axis=1) x.head() from sklearn.preprocessing import StandardScaler scaler = StandardScaler()#标准差标准化 x= scaler.fit_...
# Get the number of weeks 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 ...
#get google stock price data import yfinance as yf start_date = '2020-01-01' end_date = '2023-01-01' ticker = 'GOOGL' df = yf.download(ticker, start_date, end_date) df.head() """ Date Open High Low Close Adj Close Volume ...
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 ...
startstart+=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=6)):print(d)if__name__=='__main__':month_...