• 2022-06-03 问题

    [i ** 2 for i in range(10)]的结果是_________________。

    [i ** 2 for i in range(10)]的结果是_________________。

  • 2022-06-16 问题

    a = [ i for i in range(1, 8) if i % 2 == 1 ],那么sum(a)的值是( )。

    a = [ i for i in range(1, 8) if i % 2 == 1 ],那么sum(a)的值是( )。

  • 2022-06-16 问题

    以下程序的输出结果是【 】。 class Program { public static void Main(string&#91;&#93; args) { int&#91;&#93; a = new int&#91;3&#93; { 1, 2, 3 }; for (int i = 0; i < 3; i++) Console.Write("{0} ", a[i]); Console.WriteLine(); int&#91;&#93; b = a; for (int i = 0; i < 3; i++) b[i] = 2 * b[i]; for (int i = 0; i < 3; i++) Console.Write("{0} ", a[i]); Console.WriteLine(); Console.Read(); } }[/i][/i][/i][/i]

    以下程序的输出结果是【 】。 class Program { public static void Main(string&#91;&#93; args) { int&#91;&#93; a = new int&#91;3&#93; { 1, 2, 3 }; for (int i = 0; i < 3; i++) Console.Write("{0} ", a[i]); Console.WriteLine(); int&#91;&#93; b = a; for (int i = 0; i < 3; i++) b[i] = 2 * b[i]; for (int i = 0; i < 3; i++) Console.Write("{0} ", a[i]); Console.WriteLine(); Console.Read(); } }[/i][/i][/i][/i]

  • 2022-06-16 问题

    Python 表达式&#91;i for i in range(5) if i%2!=0&#93;的值为__1__,&#91;i**2 for i in range(3)&#93;的值为__2__。

    Python 表达式&#91;i for i in range(5) if i%2!=0&#93;的值为__1__,&#91;i**2 for i in range(3)&#93;的值为__2__。

  • 2022-06-06 问题

    以下程序的输出结果是 main() { int i, k, a&#91;10&#93;, p&#91;3&#93;; k=5; for (i=0;i<10;i++) a&#91;i &#93;=i; for (i=0;i<3;i++) p&#91;i &#93;=a&#91;i *(i+1)&#93;; for (i=0;i<3;i++) k+=p[i] *2; printf("%d ",k); }[/i]

    以下程序的输出结果是 main() { int i, k, a&#91;10&#93;, p&#91;3&#93;; k=5; for (i=0;i<10;i++) a&#91;i &#93;=i; for (i=0;i<3;i++) p&#91;i &#93;=a&#91;i *(i+1)&#93;; for (i=0;i<3;i++) k+=p[i] *2; printf("%d ",k); }[/i]

  • 2022-06-19 问题

    8.下面程序的运行结果为()。 ls=&#91;&#93; foriinrange(1,11): ls.append(i) ls2=&#91;&#93; foriinls: ifint(i)%2==0: ls2.append(i) print(ls2)

    8.下面程序的运行结果为()。 ls=&#91;&#93; foriinrange(1,11): ls.append(i) ls2=&#91;&#93; foriinls: ifint(i)%2==0: ls2.append(i) print(ls2)

  • 2022-06-09 问题

    下面代码运行结果是()。publicclassTest{publicstaticvoidmain(String&#91;&#93;args){int&#91;&#93;a=newint&#91;3&#93;;int&#91;&#93;b=newint&#91;&#93;{1,2,3,4,5};a=b;for(inti=0;i&lt;=b.length;i++){System.out.print(a[i]+ " "); }}}[/i] A: 1 2 3 4 B: 1 2 3 C: 0 1 2 3 4 D: 数组越界异常

    下面代码运行结果是()。publicclassTest{publicstaticvoidmain(String&#91;&#93;args){int&#91;&#93;a=newint&#91;3&#93;;int&#91;&#93;b=newint&#91;&#93;{1,2,3,4,5};a=b;for(inti=0;i&lt;=b.length;i++){System.out.print(a[i]+ " "); }}}[/i] A: 1 2 3 4 B: 1 2 3 C: 0 1 2 3 4 D: 数组越界异常

  • 2022-06-10 问题

    下面代码的输出结果是( )。 a=&#91;&#91;1,2,3&#93;,&#91;4,5,6&#93;,&#91;7,8,9&#93;&#93; s=0 for i in range(2): for j in range(3): s+=a[i]&#91;j&#93; print(s)[/i] A: 15 B: 6 C: 45 D: 21

    下面代码的输出结果是( )。 a=&#91;&#91;1,2,3&#93;,&#91;4,5,6&#93;,&#91;7,8,9&#93;&#93; s=0 for i in range(2): for j in range(3): s+=a[i]&#91;j&#93; print(s)[/i] A: 15 B: 6 C: 45 D: 21

  • 2022-06-01 问题

    已知 vec = &#91;&#91;1,2&#93;, &#91;3,4&#93;&#93;,则表达式 &#91;&#91;row[i] for row in vec&#93; for i in range(len(vec&#91;0&#93;))&#93;的值为______________()_________。[/i] A: [1, 2, 3, 4] B: [[1, 2, 3], 4] C: [[1, 3], [2, 4]] D: [1, 2, [3, 4]]

    已知 vec = &#91;&#91;1,2&#93;, &#91;3,4&#93;&#93;,则表达式 &#91;&#91;row[i] for row in vec&#93; for i in range(len(vec&#91;0&#93;))&#93;的值为______________()_________。[/i] A: [1, 2, 3, 4] B: [[1, 2, 3], 4] C: [[1, 3], [2, 4]] D: [1, 2, [3, 4]]

  • 2022-06-01 问题

    已知列表m=&#91;&#91;1,2&#93;,&#91;3,4&#93;&#93;,有列表a=&#91;&#91;row[i] for row in m&#93; for i in range(2)&#93;,则a&#91;0&#93;&#91;1&#93;是[/i]

    已知列表m=&#91;&#91;1,2&#93;,&#91;3,4&#93;&#93;,有列表a=&#91;&#91;row[i] for row in m&#93; for i in range(2)&#93;,则a&#91;0&#93;&#91;1&#93;是[/i]

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