Python面試考題

1、一，中文單項(xiàng)選擇題(30分，每個(gè)3分)1、以下哪個(gè)語(yǔ)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 += y2、關(guān)于Python內(nèi)存管理，以下說(shuō)法錯(cuò)誤的選項(xiàng)是A、變量不必事先聲明B、變量無(wú)須先創(chuàng)立和賦值而直接使用C、變量無(wú)須指定類(lèi)型 D、可以使用del釋放資源3、下面哪個(gè)不是Python合法的標(biāo)識(shí)符A、int32 B、40XL C self D name4、以下哪種說(shuō)法是錯(cuò)誤的A、除字典類(lèi)型外，所有標(biāo)準(zhǔn)對(duì)象均可以用于布爾測(cè)試B、空字符串的布爾值是 FalseC、空列表對(duì)象的布爾值是 FalseD、值為0的任何數(shù)字對(duì)

2、象的布爾值是False5、以下表達(dá)式的值為T(mén)rue的是A、5+4j 2-3j B 322C、(3,2)v (a,b) D、 abc xyz 6、Python不支持的數(shù)據(jù)類(lèi)型有A、char B、int C、float D、list7、關(guān)于Python中的復(fù)數(shù)，以下說(shuō)法錯(cuò)誤的選項(xiàng)是A、表示復(fù)數(shù)的語(yǔ)法是real + image j B實(shí)部和虛部都是浮點(diǎn)數(shù)C、虛部必須后綴j,且必須是小寫(xiě) D、方法conjugate返回復(fù)數(shù)的共軛復(fù)數(shù)&關(guān)于字符串以下說(shuō)法錯(cuò)誤的選項(xiàng)是A、字符應(yīng)該視為長(zhǎng)度為1的字符串B、字符串以0標(biāo)志字符串的結(jié)束C、既可以用單引號(hào)，也可以用雙引號(hào)創(chuàng)立字符串D、在三引號(hào)字符串中可以包含換行回

3、車(chē)等特殊字符9、以下不能創(chuàng)立一個(gè)字典的語(yǔ)句是A、dictl = B dict2 = 3 : 5 C dict3 = 1,2,3:“ ueStd4XD,2,3):“ uestc 10、以下Python語(yǔ)句正確的選項(xiàng)是A、min = x if x y x : yC、if (x y) print x D while True : pass1，英文單項(xiàng)選擇題(30分)gets printed Assuming python version ()print type(1/2)A.vtype int B.vtype numberC.vtype floatD.vtype doubleE.vtype tupl

4、e2. What gets printed()nums = set(1,1,2,3,3,3,4)print len(nums)3. What gets printed()counter = 1def doLotsOfStuff():global counterfor i in (1,2, 3):counter += 1doLotsOfStuff()print counterof the above4. What gets printed()print rnwoowline then the string: woowtext exactly like this: rnwoowtext like

5、exactly like this: nwoowletter r and then newline then the text: woowletter r then the text like this: nwoow5. Which numbers are printed。for i in range(2):print ifor i in range(4,6):print i,4, 6 , 1,2, 4, 5, 6 , 1,4, 5 , 1,4, 5, 6, 7, 8, 9,2, 4, 5, 66. What gets printed by the code snippet below() i

6、mport mathprint7. Assuming the filename for the code below is /usr/lib/python/ and the program is run as: python /usr/lib/python/What gets printed()class Person:def _init_(self):passdef getAge(self):print _name_p = Person()()exception is thrown8. What gets printed()names1 = Amir, Barry, Chales, Daoi

7、f amir in names1:print 1else:print 2exception is thrown9. What gets printed()numbers = 1,2, 3, 4(【5,6,7,8)print len(numbers)exception is thrown10. What gets printed()kvps = 1 : 1, 2 : 2 theCopy =()kvps1 = 5 sum = kvps1 + theCopy1 print sumexception is thrown,shell筆試題15分文件如下：# cat /etc/passwdroot:x:0

8、:0:root:/root:/bin/bashbin:x:1:1:bin:/bin:/sbin/nologin daemon:x:2:2:daemon:/sbin:/sbin/nologin adm:x:3:4:adm:/var/adm:/sbin/nologin | lp:x:4:7:lp:/var/spool/lpd:/sbin/nologin |sync:x:5:0:sync:/sbin:/bin/sync shutdown:x:6:0:shutdown:/sbin:/sbin/shutdown halt:x:7:0:ha lt: /sbin:/sbin/haltmail:x:8:12:

9、mail:/var/spool/mail:/sbin/nologin uucp:x:10:14:uucp:/var/spool/uucp:/sbin/nologin operator:x:11:0:operator:/root:/sbin/nologin games:x:12:100:games:/usr/games:/sbin/nologin_| gopher:x:13:30:gopher:/var/gopher:/sbin/nologin ftp:x:14:50:FTP User:/var/ftp:/sbin/nologin nobody:x:99:99:Nobody:/:/sbin/no

10、login dbus:x:81:81:System message bus:/:/sbin/nologin usbmuxd:x:113:113:usbmuxd user:/:/sbin/nologin vcsa:x:69:69:virtual console memory owner:/dev:/sbin/nologin rpc:x:32:32:Rpcbind Daemon:/var/cache/rpcbind:/sbin/nologin rtkit:x:499:497:RealtimeKit:/proc:/sbin/nologin avahi-autoipd:x:170:170:Avahi

11、IPv4LL Stack:/var/lib/avahi-autoipd:/sbin/nologin abrt: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/nologin haldaemon:x:68:68:HAL daemon:/:/sbin/nologingdm:x:42:42:/var/lib/gdm:/sbin/nologinn

12、tp:x:38:38:/etc/ntp:/sbin/nologin apache:x:48:48:Apache:/var/www:/sbin/nologin saslauth:x:498:76:Saslauthd user:/var/empty/saslauth:/sbin/nologin postfix: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:

13、/var/empty/sshd:/sbin/nologin tcpdump:x:72:72:/:/sbin/nologin neil:x:500:500:/home/neil:/bin/bash | test:x:501:501:/home/test:/bin/bash yulian:x:503:503:/home/yulian:/bin/bash puppet:x:52:52:Puppet:/var/lib/puppet:/sbin/nologin jboss:x:504:504:/home/jboss:/bin/bash mysql:x:27:27:MySQL Server:/var/li

14、b/mysql:/bin/bash release:x:505:505:/home/release:/bin/bash redis:x:496:493:Redis Server:/var/lib/redis:/sbin/nologin mongodb:x:184:492:MongoDB Database Server:/var/lib/mongodb:/sbin/nologin fang:x:506:506:/home/fang:/bin/bashroundup:x:495:491:Roundup Issue Tracker:/var/lib/roundup:/sbin/nologin exim:x:93:93:/var/spool/exim:/sbin/nologin dial:x:507:507:/home/dial:/bin/bash _| share:x:508:508:/home/share:/bin/bash請(qǐng)打印出用戶目錄在/home下面的的用戶目錄，如下/home/neil/home/test/home/yulia n/home/jboss/home/release/home/fa ng/home/dial /home/share建議一行搞定。四，SQL筆試題15分用一條SQL語(yǔ)句 查詢出每門(mén)課都大于80分的學(xué)生姓名。表scores如下:n ame keche