• 2022-06-11
    现有如下程序,请问运行结果是什么?num1=5 num2=num1 num2=7 print(num1)
    A: 0
    B: 12
    C: 7
    D: 5
  • D

    内容

    • 0

      假设存在变量$str1="abc";$str2="ABC";$numl=23;$num2=45,下面哪一组表达式的运算结果是假值?( ) A: $str1<;$str2&amp;&amp;$num1 <;$num2 B: $str1>;$str2&amp;&amp;$num1 <;$num2 C: $str1<;$str2}}$num 1 <;$num2 D: $str 1 >;$str2||$num1 >;$num2

    • 1

      下列程序的输出结果是() num = 27 count = 0 while num > 0: if num % 2 == 0: num /=2 elif num % 3 ==0: num /= 3 else: num -=1 count += 1 print (count)

    • 2

      执行如下代码片段后,num的值为:int num = 5;num = (num % 2) == 0 ? num – 1 : num + 1; A: 1 B: 4 C: 5 D: 6

    • 3

      哪行代码会导致错误?()num=[5,4,3,[2],1]print(num[0])print(num[3][0])print(num[5])

    • 4

      下面的代码输出什么?() num=7 if num>3: print(“3”) if num<5: print(“5”) if num==7: print(“7”)