Method end

src/13/making_a_stopwatch/stopwatch.py:14–19

(self)

        self._start = self._func()
        
    def end(self):
        if self._start is None:
            raise RuntimeError('Not started')
        end = self._func()
        self.elapsed += end - self._start
        self._start = None

    def reset(self):
        self.elapsed = 0.0