70. 觀察以下python程式碼num = [特定值]yesno = Trueif num > 1:for i in range(2, num):if (num % i) == 0:yesno = Falsebreakif yesno:print("Yes!")else:print("No!")若程式本身沒有出錯,則下列哪一個選項的值指派給num變數之後,執行的結果為yes?