@classmethod
def get(cls, name, digits=None):
    """
        returns the time of the timer.

        :param name: the name of the timer
        :type name: string
        :rtype: the elapsed time
        """
    if name in cls.timer_end:
        try:
            diff = cls.timer_end[name] - cls.timer_start[name]
            if round is not None:
                cls.timer_elapsed[name] = round(diff, digits)
            else:
                cls.timer_elapsed[name] = diff
            return cls.timer_elapsed[name]
        except:
            return None
    else:
        return 'undefined'
