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OutputasStringConvertingNumbers>>>OutputasStringConvertingNumbers>>>str(500)>>>value=>>>str(value)==>Built->>>printThe"Theis",str(value)+is>>>"Theis",value+String>>>String>>>"Compareand%0.20f"%(3.14,>>>"Hello%s%s,youmayhavewon$%d!"%("Mr.","Smith",stringStringstringStringStringstring.atoi(s[,importline=Stringstring.atoi(s[,importline="aaabbb=string.find(s,sub[,string.split(s[,sep[,string.replace(str,old,new[,>>>import>>>ss=raw_input("Enteradatein(month/day/year):")Enteradatein(month/day/year):10/16/2011['10','16','2011']的特殊使用特殊字說特殊字符串（的特殊使用特殊字說特殊字符串（控制字符print"|\t|\t|\t|\raaa\tprint使屏幕光標(biāo)移到當(dāng)前行開頭，不移ASCIIcharacter--------------------------ASCIIcharacter--------------------------1234567891011121314151617181920212223242526272829303132010203040506070809>>>>>>----------------------------------------------------33343536373839404142434445464748495051522122232425262728292A2B2C2D2E2F3031323334!$%&)*+,-.12345354555657585960616263646566676869707156789:;<=>?>>>print"\x48\x65\x6c\x6c\x6f">>>print-------->>>print"\x48\x65\x6c\x6c\x6f">>>print-----------------------------------979899---------------{|}7273747576777879808182838485868788899091929394959648494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F60\]^_`6465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F三引##三引##Simplestringprocessingprogramtogenerateusernames.Thisprogramgeneratescomputer============================================def#get"Thisprogramgeneratescomputeruser'sfirstandlast=raw_input("Pleaseenteryourfirstname(alllowercase):last=raw_input("Pleaseenteryourlastname(alllowercase):")#concatenatefirstinitialwith7charsofthelastname.uname=first[0]+last[:7]#outputtheusernameprint"Yourusernameis:",NativeDatatypes(compoundint,float,...Wordsinadocument.Studentsinacourse.Datafromanexperiment.Customersofabusiness.GraphicsobjectsNativeDatatypes(compoundint,float,...Wordsinadocument.Studentsinacourse.Datafromanexperiment.Customersofabusiness.GraphicsobjectsdrawnonCardsinadeck.the1,2,3,4,5,6,7,8,string.split("Thisisanex-['This','is','an','ex-012345678911.2.2Lists11.2.2Listsvs.>>>myList=>>>myList[2]>>>myList=>>>myList[2]myList[2]=>>>[34,26,0,butina>>>myString=>>>myString[2]>>>myString[2]=myList=myList=[34,myList=myList=[34,26,0,delmyList[1][10,0,[34,0,>>>del>>>myList>>>del[34,S:S:mutable#average.pydefmain():n=#average.pydefmain():n=input("Howmanynumbersdoyouhave?sum=forinx=input("Enteranumber>>")sum=sum+x"\nTheaverageofthenumbersis",sum/#n#n=input("Howmanynumbersdoyouhave?")sum=0.0numbers=foriinx=input("Enteranumber>>")sum=sum+xprint"numbersare",print"\nTheaverageofthenumbersis",sum/a=ba=b=c=3:-range(1,2,3,4,:-range(1,2,3,4,5,7,8,6,7,8,range(5,10,range(10,5,-[10,9,8,7,typetypeofslicing>>>a=>>><type>>><type>>><type思考題abced思考題abced##a>>>importmonthEnter##a>>>importmonthEnteramonthnumber(1-12):Themonthabbreviationis>>>Enteramonthnumber(1-12):1Themonthabbreviationis>>>Enteramonthnumber(1-12):6Themonthabbreviationismonths=n=input("Enteramonthnumber(1-12):")ifn>0andn<13:print"monthnumbererror."monthAbbrev=months[n-1]print"Themonthabbreviationis",monthAbbrev+keepthesebasicprinciplesinAlistisasequenceofkeepthesebasicprinciplesinAlistisasequenceofitemsstoredasasingleobject.Itemsinalistcanbeaccessedbyindexing,andsublistscanbeaccessedbyslicing.Listsaremutable;individualitemsorcanbethroughassignmentListswillandshrinkas0123456789File應(yīng)用學(xué)生作業(yè)的已File應(yīng)用學(xué)生作業(yè)的已知5110369017_吳天祺5120109064_孟浩然5120209090胡亞雄5120209190_王知得5120209191_檀初陽5120209194_謝明朗5120209326_封得財(cái)5120309057_劉昭怡5120729013_劉允升5120729024_劉筱5120729066_黃淵凌5120809002任康5120809005_潘雪敏5120809013陳炫霖5120809023_張建虎5120809049_顧家豪文件對(duì)象的<file-var>=open(<name>,文件對(duì)象的<file-var>=open(<name>,##Printsafile##Printsafiletothefname=raw_input("Enterfilename:infile=open(fname,'r')data=infile.read()printdatalist=infile.readlines()forssinlist:printss|+-->at##Printsa##Printsafiletothedeffname=raw_input("Enterfilename:infile=open(fname,'r')data=infile.read()printdatalist=infile.readlines()forstrinlist:printstr文件的路徑名表達(dá)方式||ASCIIcharacter文件的路徑名表達(dá)方式||ASCIIcharacter---------------------------123456789+----|+----代碼鍵盤輸已知文件aaa.txt保存的地點(diǎn)如下：代碼中鍵盤鍵盤##Programtocreateafileofin##Programtocreateafileofinbatchimportprint"Thisprogramcreatesafileofprint"fileofnames."#getthefileinfileName=raw_input("Whatfileusernamesfromthenamesin?outfileName=raw_input("Whatfileshouldthe#opentheinfile=open(infileName,'r')outfile=open(outfileName,'w')#processeachlineoftheinputfileforlineininfile.readlines():#getthefirstandlastnamesfromlinefirst,last=string.split(line)#createthe#writeittotheoutputfile#closebothfilesprint"Usernameshavebeenwrittento",[討論學(xué)生作業(yè)的提交情況（part）：查看第一位同學(xué)的提[討論學(xué)生作業(yè)的提交情況（part）：查看第一位同學(xué)的提importhw_fname=raw_input("EnterfilenameofHW_list:info_fname=raw_input("Enterof====ch=raw_input("Pressany5110369017_吳天祺5120109064_孟浩然5120209090胡亞雄5120209190_王知得5120209191_檀初陽5120209192-張樂楠-HW2num=info_list[0][:10]found=0forlineinifnum==found=1iffound==printnum+"notimportinfo_fname=raw_input("Enterfileinfo_file=open(info_fname,'r')info_listimportinfo_fname=raw_input("Enterfileinfo_file=open(info_fname,'r')info_list=5110369017_吳天祺5120109064_孟浩然5120209090胡亞雄5120209190_王知得5120209191_檀初陽5120209194_謝明朗5120209326_封得財(cái)importinfo_fnameimportinfo_fname=raw_input("Enterfilenameofstu_info:")info_file=open(info_fname,'r')info_line=info_file.readline()printinfo_line課后練習(xí)改課后練習(xí)改改HW_check_part.py==>HW_check_pp.py==>將檢查結(jié)果輸出到文件（可以不考慮閏年1),（文檔見課件Write（可以不考慮閏年1),（文檔見課件Writeprogramthatacceptsaintheformmonth/day/yearisvalid.9/31/2000isandoutputswhetherornotthedateForexample5/24/1962isvalid,WriteaprogramthatcountsthenumberofinsentenceenteredbytheutilityonUnix/Linuxsystemsisasmallprogramprogramanalyzesafiletodetermineth