from threading import Thread from time import sleep, process_time, time class Life (Thread): def __init__(self, name, lifespan): Thread.__init__(self) self.name = name self.lifespan = lifespan self.age = 0 def run(self): print(self.name + " born") while self.age <= self.lifespan: sleep(1) print("%s: %s" % (self.name, self.age)) self.age += 1 print(self.name + " died") planet = [ Life("Mosquito", 1), #7 Life("Housefly", 4), #28 Life("Butterfly", 2) #14	] if __name__ == "__main__": tic = process_time() for life in planet: life.start() for life in planet: life.join() toc = process_time() print("main process time: {}".format(toc-tic)) print("Lifes are dead")