问题遇到的现象和发生背景
问题相关代码,请勿粘贴截图
import arrow
def get_week(num):
week_list = []
a = arrow.now() # 当前本地时间
for i in range(0, num + 1):
weeks = a.shift(weeks=-i).format("YY-MM-DD")
week_list.append(weeks)
return week_list
print(get_week(5))
运行结果及报错内容
['22-01-11', '22-01-04', '21-12-28', '21-12-21', '21-12-14', '21-12-07']
我需要['22-01-11', '22-01-04',],['22-01-03', '21-12-28'],['21-12-27', '21-12-21']
这样两个一组的列表,日期往前一天