def set_appt_time(self, time_):
#理发师设置自己的可预约时间
Checker.time_set(time_) # 检查设置的预约时间是否合法
self.__barber.free_time = time_
self.__barber.save()
def time(self, time_):
Checker.time_set(time_)
self.__barber.free_time = time_
self.__barber.save()
