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])

青少年软件编程(Python-3)202206

Quiz
•
Information Technology (IT)
•
7th Grade
•
Medium

子明 高
Used 3+ times
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Student preview

38 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
男
北京
西安
女
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
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
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
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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