在python中按月对日期列表进行排序 [英] Sort a list of dates by month in python

问题描述

我有一个这样的列表:

['25/May/2015', '27/May/2015', '27/Apr/2015', '27/Jan/2015', '07/May/2015' '22/May/2015', '16/Jan/2015', '29/Jan/2015', '28/Feb/2015', '18/Feb/2015', '08/May/2015', '20/Jan/2015', '24/Jan/2015', '31/Mar/2015', '30/Apr/2015', '17/Feb/2015', '19/Mar/2015', '05/May/2015', '22/Jan/2015', '14/Aug/2015', '26/Feb/2015', '14/Mar/2015', '28/May/2015']']

我想按月份订购日期:1月，2月，3月等. 但我也想按天订购，这意味着第一天必须是:1/jan/2015然后2/jan/2015

I want to order the dates by month: jan, feb, march, etc... but also i want to order them by day, this means the first day must be: 1/jan/2015 then 2/jan/2015

我试图对列表进行排序:

i tried to sort the list:

days.sort()

但是按天而不是按月排序列表.

BUT it´s ordering the list by days and not by months.

任何人都会非常感激

推荐答案

尝试已排序和键.

from datetime import datetime
days_sorted = sorted(days, key=lambda day: datetime.strptime(day, "%d/%b/%Y"))

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