How to read one single line of csv data in Python?

To read only the first row of the csv file use next() on the reader object. with open('some.csv', newline='') as f: reader = csv.reader(f) row1 ... Home Public Questions Tags Users Companies Collectives ExploreCollectives Teams StackOverflowforTeams –Startcollaboratingandsharingorganizationalknowledge. CreateafreeTeam WhyTeams? Teams CreatefreeTeam Collectives™onStackOverflow Findcentralized,trustedcontentandcollaboratearoundthetechnologiesyouusemost. LearnmoreaboutCollectives Teams Q&Aforwork Connectandshareknowledgewithinasinglelocationthatisstructuredandeasytosearch. LearnmoreaboutTeams HowtoreadonesinglelineofcsvdatainPython? AskQuestion Asked 9years,3monthsago Modified 2years,6monthsago Viewed 306ktimes 115 Thereisalotofexamplesofreadingcsvdatausingpython,likethisone: importcsv withopen('some.csv',newline='')asf: reader=csv.reader(f) forrowinreader: print(row) Ionlywanttoreadonelineofdataandenteritintovariousvariables.HowdoIdothat?I'velookedeverywhereforaworkingexample. Mycodeonlyretrievesthevaluefori,andnoneoftheothervalues reader=csv.reader(csvfile,delimiter=',',quotechar='"') forrowinreader: i=int(row[0]) a1=int(row[1]) b1=int(row[2]) c1=int(row[2]) x1=int(row[2]) y1=int(row[2]) z1=int(row[2]) pythonfilecsviteratornext Share Improvethisquestion Follow editedAug27,2016at0:21 smci 30.6k1818goldbadges110110silverbadges145145bronzebadges askedJun23,2013at15:25 andrebrutonandrebruton 2,08844goldbadges2727silverbadges3535bronzebadges 1 whatisthestructureofyourcsv?Whatisrowwhenyouareiteratingthroughreader? – dm03514 Jun23,2013at15:27 Addacomment  |  7Answers 7 Sortedby: Resettodefault Highestscore(default) Trending(recentvotescountmore) Datemodified(newestfirst) Datecreated(oldestfirst) 158 Toreadonlythefirstrowofthecsvfileusenext()onthereaderobject. withopen('some.csv',newline='')asf: reader=csv.reader(f) row1=next(reader)#getsthefirstline #nowdosomethinghere #iffirstrowistheheader,thenyoucandoonemorenext()togetthenextrow: #row2=next(f) or: withopen('some.csv',newline='')asf: reader=csv.reader(f) forrowinreader: #dosomethingherewith`row` break Share Improvethisanswer Follow editedAug12,2016at8:12 answeredJun23,2013at15:29 AshwiniChaudharyAshwiniChaudhary 237k5656goldbadges446446silverbadges496496bronzebadges 3 2 Whathappensifyouwanttojustreadthefirstlineratherthaniterating?Thisapproachmovestheiteratortothenextlineandyou'lllosethevalueifyouwanttoiterateoverthewholelistagainlater. – MahsanNourani Jun8,2021at15:29 2 @MahsanNouraniThefilepointercanbemovedtoanywhereinthefile,file.seek(0)willmoveitbacktothestartforexampleandthenyoucanre-readfromstart.You'llhavetokeepthefileopenobviouslytoperformseekoperation.Ingeneral,thepointofusingiteratorsisthatyou'llgetoneitematime,hencesavingmemory,ifyouneedmultipleiterationonthesamedata,listisabetterdatastructure. – AshwiniChaudhary Jun9,2021at5:23 Iwasjusttryingtoprintthefirstlineofthefilebeforedoinganythingwiththedatahencemyquestion!Thissolutionisgreat,Ididn'tknowthat.Thanks:) – MahsanNourani Jun10,2021at1:11 Addacomment  |  44 youcouldgetjustthefirstrowlike: withopen('some.csv',newline='')asf: csv_reader=csv.reader(f) csv_headings=next(csv_reader) first_line=next(csv_reader) Share Improvethisanswer Follow editedMay15,2019at11:51 answeredJun23,2013at15:29 dm03514dm03514 53.3k1818goldbadges104104silverbadges142142bronzebadges 1 2 Probably,itisgoodtoadd"withopen('csv_file','r')"asf:csv_reader=csv.reader(f)..." – Sanchit May15,2019at10:45 Addacomment  |  28 YoucanusePandaslibrarytoreadthefirstfewlinesfromthehugedataset. importpandasaspd data=pd.read_csv("names.csv",nrows=1) Youcanmentionthenumberoflinestobereadinthenrowsparameter. Share Improvethisanswer Follow editedJun19,2015at18:48 josliber♦ 43.4k1212goldbadges9696silverbadges132132bronzebadges answeredJun19,2015at18:46 AravindKrishnakumarAravindKrishnakumar 2,61911goldbadge2626silverbadges2323bronzebadges Addacomment  |  15 FromthePythondocumentation: Andwhilethemoduledoesn’tdirectlysupportparsingstrings,itcaneasilybedone: importcsv forrowincsv.reader(['one,two,three']): printrow Justdropyourstringdataintoasingletonlist. Share Improvethisanswer Follow editedApr7,2016at15:08 Luke 1,32911goldbadge1212silverbadges3737bronzebadges answeredJan23,2015at4:08 RobertElwellRobertElwell 6,53011goldbadge2828silverbadges3232bronzebadges Addacomment  |  14 Justforreference,aforloopcanbeusedaftergettingthefirstrowtogettherestofthefile: withopen('file.csv',newline='')asf: reader=csv.reader(f) row1=next(reader)#getsthefirstline forrowinreader: print(row)#printsrows2andonward Share Improvethisanswer Follow answeredJan31,2020at22:20 EmersonPetersEmersonPeters 31322silverbadges99bronzebadges Addacomment  |  8 Thesimplewaytogetanyrowincsvfile importcsv csvfile=open('some.csv','rb') csvFileArray=[] forrowincsv.reader(csvfile,delimiter='.'): csvFileArray.append(row) print(csvFileArray[0]) Share Improvethisanswer Follow answeredSep22,2016at3:07 Oscar.ChouOscar.Chou 8111silverbadge33bronzebadges 3 3 Tomakethisworkinpython3,justremovethe'b'in'rb' – RickyAvina Jan13,2018at22:57 1 Thisjustworks,actuallywithoutthedelimiter='.'. – suvtfopw Jan24,2019at7:05 1 Toanswerthepostersquestion,justaddabreakafterthecsvFileArray.append(row)anditwillonlyreadthefirstline. – StratusBaseLLC Sep17,2019at2:48 Addacomment  |  5 Toprintarangeofline,inthiscasefromline4to7 importcsv withopen('california_housing_test.csv')ascsv_file: data=csv.reader(csv_file) forrowinlist(data)[4:7]: print(row) Share Improvethisanswer Follow answeredApr8,2020at14:01 BiplobDasBiplobDas 2,4342121silverbadges1313bronzebadges 1 Ionlygotthistoworkbyusingwithopen('C:\\Users\\username\\Desktop\\csv_file.csv',encoding='utf-8')ascsv_file:asthefirstline – jeppoo1 Apr7,2021at8:56 Addacomment  |  YourAnswer ThanksforcontributingananswertoStackOverflow!Pleasebesuretoanswerthequestion.Providedetailsandshareyourresearch!Butavoid…Askingforhelp,clarification,orrespondingtootheranswers.Makingstatementsbasedonopinion;backthemupwithreferencesorpersonalexperience.Tolearnmore,seeourtipsonwritinggreatanswers. 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