青少年软件编程(Python-3)202206

青少年软件编程(Python-3)202206

Assessment

Quiz

Information Technology (IT)

7th Grade

Medium

Created by

子明 高

Used 3+ times

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38 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

如下所示的2行代码,最后print()函数打印出来的结果是?( ) c = [['赵大',21,'男','北京'],['钱二',20,'男','西安'],['孙三',18,'女','南京'],['李四',20,'女','杭州']] print(c[1][3])

北京

西安

2.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Media Image

要读取下图“书目.csv”文件的全部内容,小明编写了后面4行代码。请问,红色①处,应该填写哪种打开模式?( ) f = open("书目.csv" , ① ) a = f.read() print(a) f.close

"w"

"a"

"r"

"a+"

3.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Media Image

下图所示,有一个名为"书目.csv"的文件。小明针对这个文件编写了5行代码,请问,代码运行到最后打印在屏幕上的结果是?( ) with open('书目.csv', 'r', encoding='utf-8') as f: for line in f.readlines(): a = line.split(",") if a[0] == "水浒传" : print(a[1])

老残游记

172

55

70

4.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

小明编写了下列4行代码,请问,代码运行到最后,屏幕上打印出来的结果是?( ) a = ['a','b','c'] b = [1,2,3] c = [b,a] print(c[1][0])

1

a

'1'

'a'

5.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

Media Image

下图左边的“身体素质.csv”文件,要打印成下图右边的效果,每个字段之间相隔一个TAB键的距离。小明编写了如下代码,请选择:代码中横线处的内容?( ) f = open('身体素质.csv', 'r') a = [] for i in f: a.append(i.strip('\n').split(',')) f.close for x in a: line='' for y in x: line += '{ } '.format(y) print(line)

\t

\n

\a

\r

6.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

在Python异常处理结构中,如果程序执行没有遇到异常(错误),不会执行什么关键字后面的语句体?( )

try

except

else

finally

7.

MULTIPLE CHOICE QUESTION

1 min • 2 pts

运行下列程序,输出的结果是?( ) try: a=int(input()) b=int(input()) r=a/b print('商是:',r) except: print('错误') else: print('正确') finally: print('结束') 当输入: 16 8

错误

商是: 2.0 正确

商是: 2 正确 结束

商是: 2.0 正确 结束

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