class Reminder:
    rmd_list = {}

    def __init__(self):
        f = open('rmd_list.data', 'rb')
        self.rmd_list = pickle.load(f)
        f.close()

    def add(self, uid, rmd_time, rmd_times, rmd_msg):
        if uid not in self.rmd_list:
            self.rmd_list[uid] = [(rmd_time, rmd_times, rmd_msg)]
        else:
            self.rmd_list[uid].append((rmd_time, rmd_times, rmd_msg))
        f = open('rmd_list.data', 'wb')
        pickle.dump(self.rmd_list,f)
        f.close()

    # TODO
    def remove(self, number):
        return True

    def check(self,current_time):
        return_list = []
        for uid in self.rmd_list:
            for record in uid:
                if record[0] == current_time:
                    return_list.append()