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python获取前几个月时间

是她丫 2022-07-30 阅读 88

#!/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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