python测试开发面试题

试卷时间 60分钟,请不要在试卷上作答,用A4纸做答题纸作答。

一,中文单项选择题(30分,每个3分)
1.下列哪个语句在Python中是非法的?
A、x = y = z = 1 B、x = (y = z + 1)

C、x, y = y, x D、x += y

2.关于Python内存管理,下列说法错误的是
A、变量不必事先声明 B、变量无须先创建和赋值而直接使用

C、变量无须指定类型 D、可以使用del释放资源

3、下面哪个不是Python合法的标识符
A、int32 B、40XL C、self D、name

4、下列哪种说法是错误的
A、除字典类型外,所有标准对象均可以用于布尔测试

B、空字符串的布尔值是False

C、空列表对象的布尔值是False

D、值为0的任何数字对象的布尔值是False

5、下列表达式的值为True的是
A、5+4j > 2-3j B、3>2>2

C、(3,2) ‘xyz’

6、Python不支持的数据类型有
A、char B、int C、float D、list

7、关于Python中的复数,下列说法错误的是
A、表示复数的语法是real + image j B、实部和虚部都是浮点数

C、虚部必须后缀j,且必须是小写 D、方法conjugate返回复数的共轭复数

8、关于字符串下列说法错误的是
A、字符应该视为长度为1的字符串 B、字符串以标志字符串的结束

C、既可以用单引号,也可以用双引号创建字符串 D、在三引号字符串中可以包含换行回车等特殊字符

9、以下不能创建一个字典的语句是
A、dict1 = {} B、dict2 = { 3 : 5 } C、dict3 = {[1,2,3]: “uestc”} D、dict4 = {(1,2,3): “uestc”}

10、下列Python语句正确的是
A、min = x if x y ? x : y

C、if (x > y) print x D、while True : pass

二,英文单项选择题(30分)
1.what gets printed? Assuming python version 2.x()
print type(1/2)

A. B. C. D. E.

  1. What gets printed?()
    Python
    nums = set([1,1,2,3,3,3,4])
    print len(nums)
    1
    2
    nums = set([1,1,2,3,3,3,4])
    print len(nums)
    A.1 B.2 C.4 D.5 E.7

  2. What gets printed?()
    counter = 1

def doLotsOfStuff():

global counter

for i in (1, 2, 3): 
    counter += 1

doLotsOfStuff()

print counter
1
2
3
4
5
6
7
8
9
10
11
12
counter = 1

def doLotsOfStuff():

global counter

for i in (1, 2, 3): 
    counter += 1

doLotsOfStuff()

print counter
A.1 B.3 C.4 D.7 E.none of the above

  1. What gets printed?()
    print r"nwoow"
    1
    print r"nwoow"
    A.new line then the string: woow

B.the text exactly like this: r”nwoow”

C.the text like exactly like this: nwoow

D.the letter r and then newline then the text: woow

E.the letter r then the text like this: nwoow

  1. Which numbers are printed?()
    for i in range(2):
    print i

for i in range(4,6):
print i
1
2
3
4
5
for i in range(2):
print i

for i in range(4,6):
print i
A.2, 4, 6 B.0, 1, 2, 4, 5, 6 C.0, 1, 4, 5 D.0, 1, 4, 5, 6, 7, 8, 9 E.1, 2, 4, 5, 6

  1. What gets printed by the code snippet below?()
    import math

print math.floor(5.5)
1
2
3
import math

print math.floor(5.5)
A.5 B.5.0 C.5.5 D.6 E.6.0

  1. Assuming the filename for the code below is /usr/lib/python/person.py
    and the program is run as: python /usr/lib/python/person.py

What gets printed?()

class Person:
def init(self):
pass

def getAge(self):
    print __name__

p = Person()p.getAge()
1
2
3
4
5
6
7
8
class Person:
def init(self):
pass

def getAge(self):
    print __name__

p = Person()p.getAge()
A.Person B.getAge C.usr.lib.python.person D.main E.An exception is thrown

  1. What gets printed?()
    names1 = [‘Amir’, ‘Barry’, ‘Chales’, ‘Dao’]

if ‘amir’ in names1:
print 1
else:
print 2
1
2
3
4
5
6
names1 = [‘Amir’, ‘Barry’, ‘Chales’, ‘Dao’]

if ‘amir’ in names1:
print 1
else:
print 2
A.1 B.2 C.An exception is thrown

  1. What gets printed?()
    numbers = [1, 2, 3, 4]

numbers.append([5,6,7,8])

print len(numbers)
1
2
3
4
5
numbers = [1, 2, 3, 4]

numbers.append([5,6,7,8])

print len(numbers)
A.4 B.5 C.8 D.12 E.An exception is thrown

  1. What gets printed?()
    kvps = { ‘1’ : 1, ‘2’ : 2 }
    theCopy = kvps.copy()

kvps[‘1’] = 5

sum = kvps[‘1’] + theCopy[‘1’]
print sum
1
2
3
4
5
6
7
kvps = { ‘1’ : 1, ‘2’ : 2 }
theCopy = kvps.copy()

kvps[‘1’] = 5

sum = kvps[‘1’] + theCopy[‘1’]
print sum
A.1 B.2 C.6 D.10 E.An exception is thrown

三,shell笔试题(15分)
文件如下:

Shell
# cat /etc/passwdroot❌0:0:root:/root:/bin/bash
bin❌1:1:bin:/bin:/sbin/nologin
daemon❌2:2:daemon:/sbin:/sbin/nologin
adm❌3:4:adm:/var/adm:/sbin/nologin
lp❌4:7:lp:/var/spool/lpd:/sbin/nologin
sync❌5:0:sync:/sbin:/bin/sync
shutdown❌6:0:shutdown:/sbin:/sbin/shutdown
halt❌7:0:halt:/sbin:/sbin/halt
mail❌8:12:mail:/var/spool/mail:/sbin/nologin
uucp❌10:14:uucp:/var/spool/uucp:/sbin/nologin
operator❌11:0:operator:/root:/sbin/nologin
games❌12

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