python裏的print函數的使用

 代碼：print("the classifier came back with: %d, the real answer is: %d " %(classify_result,datalabels[i]))

結果：the classifier came back with: 3, the real answer is: 3 

代碼：print("the classifier came back with: %d, the real answer is: %d ",(classify_result,datalabels[i]))

結果::the classifier came back with: %d, the real answer is: %d  (3, 3)