python獲取前幾個月時間

#!/usr/bin/env pythpn

import datetime

now = datetime.datetime.now()

date_now = now.date()





def get_date_month(mon=0):

 last_m = (int(now.year) * 12 + int(now.month) - mon) % 12

 if len(str(last_m)) == 1:

 last_m = "%02d" % last_m

 last_y = int((int(now.year) * 12 + int(now.month) - mon) / 12)

 last_mon = '%s%s' % (last_y, last_m)



 return last_mon



last_mon = get_date_month(4);

print(last_mon)



$python get_year_month.py

202203




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