Python获取给定年份的月份开始和结束日期 [英] Python get months start and end dates for a given year

问题描述

我想编写一个python函数来获取给定年份的月份开始和结束日期.

I want to write a python function to get months start and end dates for a given year.

示例输入: 2021

预期输出:

[(01-Jan-2021,31-Jan-2021), (01-Feb-2021,28-Feb-2021), (01-Mar-2021,31-Mar-2021), etc..)]

推荐答案

您可以使用 pandas

you can use pandas date ranges, with appropriate frequency alias for month start and month end. Ex:

import pandas as pd

year, nMonths = "2020", 12

monthStart = pd.date_range(year, periods=nMonths, freq='MS').strftime("%d-%b-%Y")
monthEnd = pd.date_range(year, periods=nMonths, freq='M').strftime("%d-%b-%Y")

l = [(s,e) for s,e in zip(monthStart, monthEnd)]

l
[('01-Jan-2020', '31-Jan-2020'),
 ('01-Feb-2020', '29-Feb-2020'),
 ('01-Mar-2020', '31-Mar-2020'),
 ('01-Apr-2020', '30-Apr-2020'),
 ('01-May-2020', '31-May-2020'),
 ('01-Jun-2020', '30-Jun-2020'),
 ('01-Jul-2020', '31-Jul-2020'),
 ('01-Aug-2020', '31-Aug-2020'),
 ('01-Sep-2020', '30-Sep-2020'),
 ('01-Oct-2020', '31-Oct-2020'),
 ('01-Nov-2020', '30-Nov-2020'),
 ('01-Dec-2020', '31-Dec-2020')]

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