python程序运行进程、使用时间、剩余时间显示功能的实现代码

def time_change(time_init):  #定义将秒转换为时分秒格式的函数  time_list = []  if time_init/3600 > 1:    time_h = int(time_init/3600)    time_m = int((time_init-time_h*3600) / 60)    time_s = int(time_init - time_h * 3600 - time_m * 60)    time_list.append(str(time_h))    time_list.append('h ')    time_list.append(str(time_m))    time_list.append('m ')  elif time_init/60 > 1:    time_m = int(time_init/60)    time_s = int(time_init - time_m * 60)    time_list.append(str(time_m))    time_list.append('m ')  else:    time_s = int(time_init)  time_list.append(str(time_s))  time_list.append('s')  time_str = ''.join(time_list)  return time_strif __name__=="__main__":  process = .0  start = time.time()  for i in range(total_num):     ・・・     ・・・     ・・・    if process < (i*1.0/total_num):      if process != 0:        end = time.time()        use_time = end-start        all_time = use_time / process        res_time = all_time - use_time        str_ues_time = time_change(use_time)        str_res_time = time_change(res_time)        print("Percentage of progress:%.0f%%  Used time:%s  Rest time:%s "%(process*100,str_ues_time,str_res_time))      process = process + 0.01