Python四级真题

Python四级真题

7th Grade

47 Qs

quiz-placeholder

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Python四级真题

Python四级真题

Assessment

Quiz

Computers

7th Grade

Hard

Created by

小星 翟

Used 1+ times

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47 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

运行如下代码,若输入整数3,则最终输出的结果为?()

2

4

8

16

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

运行下列程序,输出的结果是?()

120

360

720

60

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列关于递归的描述不正确的是?()

递归函数一定包含if语句

递归函数体内一定包含调用自身的语句

在调用自身函数时需要明确的边界终止条件与边界值

递归算法一般代码简洁,执行效率高,空间复杂度低

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

运行下列程序,输出的结果是?()

3

6

12

123

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

运行下列程序,输出的结果是?()

69

45

64

61

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一个荷花池,第一天荷花开放得很少,第二天开放的数量是第一天的两倍,之后的每一天,荷花都会以前一天两倍的数量开放。如果到第30天,荷花就开满了整个池塘,设第一天开一朵,编程求第30天共开了多少朵荷花。下面空白处的代码填写正确的是?()

30,t=t*2

31,t=t*2

31,t+=2

30,t*=2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

解决下列问题时,时间复杂度最大的是?()

输入n个不同的包含两位小数的实数,计算这n个数的和

在n个数据中,查找数据k

将n个数据用冒泡排序实现排序

计算算式1-2+3-4+...-n的结果,n为偶数

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