byStarTW => YSITD: import time i = input("請輸入一個值，預設值是 '2'：") j = input("請輸入執行次數，預設值是 '20'：") if i == "": i = 2 if j == "": j = 20 print (i, end="") for count in range(0, j, +1): i = i * 2 print(" ", i, end="", flush=True) time.sleep (0.3) #599e9d80bf862b60ba424bea

byStarTW says to YSITD

import time i = input("請輸入一個值，預設值是 '2'：") j = input("請輸入執行次數，預設值是 '20'：") if i == "": i = 2 if j == "": j = 20 print (i, end="") for count in range(0, j, +1): i = i * 2 print(" ", i, end="", flush=True) time.sleep (0.3)

at Thu, Aug 24, 2017 5:33 PM