Python内置模块：calendar

日历模块calendar

>>> import calendar
>>> type(calendar)
<class 'module'>
>>> calendar.__file__
'C:\\Python38\\lib\\calendar.py'
>>> dir(calendar)
['Calendar', 'EPOCH', 'FRIDAY', 'February', 'HTMLCalendar', 'IllegalMonthError', 'IllegalWeekdayError', 'January', 'LocaleHTMLCalendar', 'LocaleTextCalendar', 'MONDAY', 'SATURDAY', 'SUNDAY', 'THURSDAY', 'TUESDAY', 'TextCalendar', 'WEDNESDAY', '_EPOCH_ORD', '__all__', '__builtins__', '__cached__', '__doc__', '__file__', '__loader__', '__name__', '__package__', '__spec__', '_colwidth', '_locale', '_localized_day', '_localized_month', '_monthlen', '_nextmonth', '_prevmonth', '_spacing', 'c', 'calendar', 'datetime', 'day_abbr', 'day_name', 'different_locale', 'error', 'firstweekday', 'format', 'formatstring', 'isleap', 'leapdays', 'main', 'mdays', 'month', 'month_abbr', 'month_name', 'monthcalendar', 'monthrange', 'prcal', 'prmonth', 'prweek', 'repeat', 'setfirstweekday', 'sys', 'timegm', 'week', 'weekday', 'weekheader']
>>>

import calendar

for i in range(1, 13):
    print(calendar.month_name[i])

import calendar

d={}
for i in range(1, 13):
    d[calendar.month_name[i]] = i

print(d)

import calendar
from pprint import pprint
s2 = "February January  May October August September April  November July March December"

d = {}
for i in range(1, 13):
    d[calendar.month_name[i]] = i

def sorter(elem):
    return d[elem]

pprint(sorted(s2.split(), key=sorter))

import calendar
month_names = [calendar.month_name[i] for i in range(1, 13)]
print(month_names)
print(sorted(s2.split(), key=month_names.index))