year_time = time.strftime('%Y', time.localtime(time.time()))
month_day = time.strftime('%m-%d', time.localtime(time.time()))
end_time = '{}-{}'.format(str(int(year_time) - 2), month_day)
year_time = time.strftime('%Y', time.localtime(time.time()))
month_day = time.strftime('%m-%d', time.localtime(time.time()))
end_time = '{}-{}'.format(str(int(year_time) - 2), month_day)