#! python3 # stopwatch.py - A simple stopwatch program. import time # Display the program's instructions. print('Press enter to begin. Afterwards, press ENTER to "click" the stopwatch. Press Ctrl-C to quit.') input() # press Enter to begin print('Started.') startTime = time.time() # get the first lap's start time lastTime = startTime lapNum = 1 # Start tracking the lap times. try: while True: input() lapTime = round(time.time() - lastTime, 2) totalTime = round(time.time() - startTime, 2) print('Lap #%s: %s (%s)' % (lapNum, totalTime, lapTime), end='') lapNum += 1 lastTime = time.time() # reset the last lap time except KeyboardInterrupt: # Handle the Ctrl-C exception to keep its error message from displaying. print('\nDone.')