Python面试考题.docx

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、322 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0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. 2. What gets printed?() nums = set(1,1,2,3,3,3,4)print len(nums)A.1 B.2 C.4 D.5 E.7 3. What gets printed?() counter = 1 def doLotsOfStuff(): global counter for i in (1, 2, 3): counter += 1 doLotsOfStuff() print counterA.1 B.3 C.4 D.7 E.none of the above 4. What gets printed?() print rnwoowA.new line then the string: woow B.the text exactly like this: rnwoow 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 5. Which numbers are printed?() for i in range(2): print ifor i in range(4,6): print iA.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 6. What gets printed by the code snippet below?() import mathprint math.floor(5.5)A.5 B.5.0 C.5.5 D.6 E.6.0 7. 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()A.Person B.getAge C.usr.lib.python.person D.main E.An exception is thrown 8. What gets printed?() names1 = Amir, Barry, Chales, Dao if amir in names1: print 1 else: print 2A.1 B.2 C.An exception is thrown 9. What gets printed?() 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 10. What gets printed?() kvps = 1 : 1, 2 : 2 theCopy = kvps.copy() kvps1 = 5 sum = kvps1 + theCopy1 print sumA.1 B.2 C.6 D.10 E.An exception is thrown 三，shell笔试题（15分）文件如下： # cat /etc/passwdroot:x:0:0:root:/root:/bin/bashbin:x:1:1:bin:/bin:/sbin/nologindaemon:x:2:2:daemon:/sbin:/sbin/nologinadm:x:3:4:adm:/var/adm:/sbin/nologinlp:x:4:7:lp:/var/spool/lpd:/sbin/nologinsync:x:5:0:sync:/sbin:/bin/syncshutdown:x:6:0:shutdown:/sbin:/sbin/shutdownhalt:x:7:0:halt:/sbin:/sbin/haltmail:x:8:12:mail:/var/spool/mail:/sbin/nologinuucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologinoperator:x:11:0:operator:/root:/sbin/nologingames:x:12:100:games:/usr/games:/sbin/nologingopher:x:13:30:gopher:/var/gopher:/sbin/nologinftp:x:14:50:FTP User:/var/ftp:/sbin/nologinnobody:x:99:99:Nobody:/:/sbin/nologindbus:x:81:81:System message bus:/:/sbin/nologinusbmuxd:x:113:113:usbmuxd user:/:/sbin/nologinvcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologinrpc:x:32:32:Rpcbind Daemon:/var/cache/rpcbind:/sbin/nologinrtkit:x:499:497:RealtimeKit:/proc:/sbin/nologinavahi-autoipd:x:170:170:Avahi IPv4LL Stack:/var/lib/avahi-autoipd:/sbin/nologinabrt:x:173:173:/etc/abrt:/sbin/nologinrpcuser:x:29:29:RPC Service User:/var/lib/nfs:/sbin/nologinnfsnobody:x:65534:65534:Anonymous NFS User:/var/lib/nfs:/sbin/nologinhaldaemon:x:68:68:HAL daemon:/:/sbin/nologingdm:x:42:42:/var/lib/gdm:/sbin/nologinntp:x:38:38:/etc/ntp:/sbin/nologinapache:x:48:48:Apache:/var/www:/sbin/nologinsaslauth:x:498:76:Saslauthd user:/var/empty/saslauth:/sbin/nologinpostfix:x:89:89:/var/spool/postfix:/sbin/nologinpulse:x:497:496:PulseAudio System Daemon:/var/run/pulse:/sbin/nologinsshd:x:74:74:Privilege-separated SSH:/var/empty/sshd:/sbin/nologintcpdump:x:72:72:/:/sbin/nologinneil:x:500:500:/home/neil:/bin/bashtest:x:501:501:/home/test:/bin/bashyulian:x:503:503:/home/yulian:/bin/bashpuppet:x:52:52:Puppet:/var/lib/puppet:/sbin/nologinjboss:x:504:504:/home/jboss:/bin/bashmysql:x:27:27:MySQL Server:/var/lib/mysql:/bin/bashrelease:x:505:505:/home/release:/bin/bashredis:x:496:493:Redis Server:/var/lib/redis:/sbin/nologinmongodb:x:184:492:MongoDB Database Server:/var/lib/mongodb:/sbin/nologinfang:x:506:506:/home/fang:/bin/bashroundup:x:495:491:Roundup Issue Tracker:/var/lib/roundup:/sbin/nologinexim:x:93:93:/var/spool/exim:/sbin/nologindial:x:507:507:/home/dial:/bin/bashshare:x: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