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.
-
What gets printed?()
Python
nums = set([1,1,2,3,3,3,4])
print len(nums)
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nums = set([1,1,2,3,3,3,4])
print len(nums)
A.1 B.2 C.4 D.5 E.7 -
What gets printed?()
counter = 1
def doLotsOfStuff():
global counter
for i in (1, 2, 3):
counter += 1
doLotsOfStuff()
print counter
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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
- What gets printed?()
print r"nwoow"
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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
- Which numbers are printed?()
for i in range(2):
print i
for i in range(4,6):
print i
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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
- What gets printed by the code snippet below?()
import math
print math.floor(5.5)
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import math
print math.floor(5.5)
A.5 B.5.0 C.5.5 D.6 E.6.0
- 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()
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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
- What gets printed?()
names1 = [‘Amir’, ‘Barry’, ‘Chales’, ‘Dao’]
if ‘amir’ in names1:
print 1
else:
print 2
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names1 = [‘Amir’, ‘Barry’, ‘Chales’, ‘Dao’]
if ‘amir’ in names1:
print 1
else:
print 2
A.1 B.2 C.An exception is thrown
- What gets printed?()
numbers = [1, 2, 3, 4]
numbers.append([5,6,7,8])
print len(numbers)
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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
- What gets printed?()
kvps = { ‘1’ : 1, ‘2’ : 2 }
theCopy = kvps.copy()
kvps[‘1’] = 5
sum = kvps[‘1’] + theCopy[‘1’]
print sum
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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?games:/usr/games:/sbin/nologin
gopher❌13:30:gopher:/var/gopher:/sbin/nologin
ftp❌14:50:FTP User:/var/ftp:/sbin/nologin
nobody❌99:99:Nobody:/:/sbin/nologin
dbus❌81:81:System message bus:/:/sbin/nologin
usbmuxd❌113:113:usbmuxd user:/:/sbin/nologin
vcsa❌69:69:virtual console memory owner:/dev:/sbin/nologin
rpc❌32:32:Rpcbind Daemon:/var/cache/rpcbind:/sbin/nologin
rtkit❌499:497:RealtimeKit:/proc:/sbin/nologin
avahi-autoipd❌170:170:Avahi IPv4LL Stack:/var/lib/avahi-autoipd:/sbin/nologin
abrt❌173:173::/etc/abrt:/sbin/nologin
rpcuser❌29:29:RPC Service User:/var/lib/nfs:/sbin/nologin
nfsnobody❌65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin
haldaemon❌68:68:HAL daemon:/:/sbin/nologin
gdm❌42:42::/var/lib/gdm:/sbin/nologin
ntp❌38:38::/etc/ntp:/sbin/nologin
apache❌48:48:Apache:/var/www:/sbin/nologin
saslauth❌498:76:“Saslauthd user”:/var/empty/saslauth:/sbin/nologin
postfix❌89:89::/var/spool/postfix:/sbin/nologin
pulse❌497:496:PulseAudio System Daemon:/var/run/pulse:/sbin/nologin
sshd❌74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
tcpdump❌72:72:?:/sbin/nologin
neil❌500:500::/home/neil:/bin/bashtest❌501:501::/home/test:/bin/bash
yulian❌503:503::/home/yulian:/bin/bash
puppet❌52:52:Puppet:/var/lib/puppet:/sbin/nologin
jboss❌504:504::/home/jboss:/bin/bash
mysql❌27:27:MySQL Server:/var/lib/mysql:/bin/bash
release❌505:505::/home/release:/bin/bash
redis❌496:493:Redis Server:/var/lib/redis:/sbin/nologin
mongodb❌184:492:MongoDB Database Server:/var/lib/mongodb:/sbin/nologin
fang❌506:506::/home/fang:/bin/bash
roundup❌495:491:Roundup Issue Tracker:/var/lib/roundup:/sbin/nologin
exim❌93:93::/var/spool/exim:/sbin/nologin
dial❌507:507::/home/dial:/bin/bash
share❌508:508::/home/share:/bin/bash
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# 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?games:/usr/games:/sbin/nologin
gopher❌13:30:gopher:/var/gopher:/sbin/nologin
ftp❌14:50:FTP User:/var/ftp:/sbin/nologin
nobody❌99:99:Nobody:/:/sbin/nologin
dbus❌81:81:System message bus:/:/sbin/nologin
usbmuxd❌113:113:usbmuxd user:/:/sbin/nologin
vcsa❌69:69:virtual console memory owner:/dev:/sbin/nologin
rpc❌32:32:Rpcbind Daemon:/var/cache/rpcbind:/sbin/nologin
rtkit❌499:497:RealtimeKit:/proc:/sbin/nologin
avahi-autoipd❌170:170:Avahi IPv4LL Stack:/var/lib/avahi-autoipd:/sbin/nologin
abrt❌173:173::/etc/abrt:/sbin/nologin
rpcuser❌29:29:RPC Service User:/var/lib/nfs:/sbin/nologin
nfsnobody❌65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologin
haldaemon❌68:68:HAL daemon:/:/sbin/nologin
gdm❌42:42::/var/lib/gdm:/sbin/nologin
ntp❌38:38::/etc/ntp:/sbin/nologin
apache❌48:48:Apache:/var/www:/sbin/nologin
saslauth❌498:76:“Saslauthd user”:/var/empty/saslauth:/sbin/nologin
postfix❌89:89::/var/spool/postfix:/sbin/nologin
pulse❌497:496:PulseAudio System Daemon:/var/run/pulse:/sbin/nologin
sshd❌74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologin
tcpdump❌72:72:?:/sbin/nologin
neil❌500:500::/home/neil:/bin/bashtest❌501:501::/home/test:/bin/bash
yulian❌503:503::/home/yulian:/bin/bash
puppet❌52:52:Puppet:/var/lib/puppet:/sbin/nologin
jboss❌504:504::/home/jboss:/bin/bash
mysql❌27:27:MySQL Server:/var/lib/mysql:/bin/bash
release❌505:505::/home/release:/bin/bash
redis❌496:493:Redis Server:/var/lib/redis:/sbin/nologin
mongodb❌184:492:MongoDB Database Server:/var/lib/mongodb:/sbin/nologin
fang❌506:506::/home/fang:/bin/bash
roundup❌495:491:Roundup Issue Tracker:/var/lib/roundup:/sbin/nologin
exim❌93:93::/var/spool/exim:/sbin/nologin
dial❌507:507::/home/dial:/bin/bash
share❌508:508::/home/share:/bin/bash
请打印出用户目录在/home下面的的用户目录,如下
/home/neil
/home/test
/home/yulian
/home/jboss
/home/release
/home/fang
/home/dial
/home/share
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/home/neil
/home/test
/home/yulian
/home/jboss
/home/release
/home/fang
/home/dial
/home/share
建议一行搞定。
四,SQL笔试题(15分)
用一条SQL语句 查询出每门课都大于80分的学生姓名 。表scores如下:
name kecheng fenshu
张三 语文 81
张三 数学 75
李四 语文 76
五,python笔试题(20分)
1,python常见的命令行交互自动化模块有哪些?(2分)
2,python的底层网络交互模块有哪些?(2分)
3,python网络交互时,二进制打包解包的模块有哪些(2分)
4,python的测试框架有哪些?试列出常用的3个或更多(6分)
5,一行把[1,2,3,1,2,3] 中的重复元素剔除。(3分)
6,现在要你使用pyDes(DES加密)和标准库中的namedtuple,假设你之前没有接触过,你如何快速上手? (5分)