How To Input A List In Python - Edureka

This article will introduce you to different ways to input a list in Python and give you a detailed programmatic demonstration. 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list =input_string.split() print("Calculatingsumofelementofinputlist") sum=0 fornuminlist:    sum+=int(num) print("Sum=",sum)Whentheaboveprogramisrun,theoutputwilllooksomethinglikethis.OutputEnteralistelementseparatedbyspace2469CalculatingsumofelementofinputlistSum= 20AnalysisNowletusbreakdowntheprogramandseehowtheworkingsbehindit.Asyoualreadyknow,wheneverweusetheinput()functioninPython,itconvertstheuserinputintoastring.Thereforeintheaboveprogram,weacceptedalistelementfromauserintheformofastringwhichisseparatedbyspaces.Onethingtonotehere,isthatyouhavetheabilitytoacceptastringseparatedbytheoperatorcomma(,)aswell.Butinthissituationyouneedtomakeuseofthesplit()functioninordertopasstheargumentaswellastheseparatorinthePythonprogram.Ifyoulookclosely,youwillfindthatwehavemadeuseofthefunctioninput_string.split()tosplittheinputstringseparatedbyspacesfromtheuserandconvertedthemintoindividualelementstobeaddedintoalist.WehavealsomadeuseoftheForloopandconvertedeveryelementintoanintegertocalculateitssum.Movingontothenexttopicofthisarticleletussee howtoinputalistinpythonthatholdsstrings,AcceptaListofStringsfromtheUserSimilartotheaboveprogram,wehavetheabilitytocreateaprograminPythontoacceptalistofstringsfromtheuser.Takealookattheexamplebelowtounderstandthisbetter.input_string=input("Enterfamilymembersseparatedbycomma") family_list =input_string.split(",") print("Printingallfamilymembernames") fornameinfamily_list:    print(name)Whentheaboveprogramisrun,theoutputwilllooksomethinglikethis.Enterfamilymembersseparatedbycomma:Julius,Mark,JohnPrintingallfamilymembernamesJuluisMarkJohnAnalysisLetusbreakdowntheaboveprogramintopointersandunderstanditbetter.Similartotheearlierexample,weacceptedaninputlistfromtheuserintheformofastringseparatedbycommas.Wehavemadeuseoftheinput_string.split(“,”)functiontosplitthestringseparatedbycommasandconvertitintoalistofstringtobeusedintheprogram.Weusedaforloopandprintedoutallfamilynamesinorder,asyoucanseeintheoutputsharedabove.Movingonletusseehowthisconceptfaresfromprogrammingperspective,ExamplesLetustakealookatacoupleofotherexamplestounderstandhowtoinputalistinPython.Example1#creatinganemptylist lst=[] #numberofelemetnsasinput n=int(input("Enternumberofelements:")) #iteratingtilltherange foriinrange(0,n):            ele=int(input())            lst.append(ele)#addingtheelement print(lst)OutputLetustakealookatthenextexample,Example2#tryblocktohandletheexception try: my_list=[] whileTrue: my_list.append(int(input())) #ifinputisnot-integer,justprintthelist except: print(my_list)OutputExample3#numberofelements n=int(input("Enternumberofelements:")) #Belowlinereadinputsfromuserusingmap()function a=list(map(int,input("nEnterthenumbers:").strip().split()))[:n] print("nListis-",a)Thiswouldbethefinalexampleofthisarticle,Example4lst=[] n=int(input("Enternumberofelements:")) foriinrange(0,n): ele=[input(),int(input())] lst.append(ele) print(lst)OutputThisisitguysthisbringsustotheendofthisarticleon HowToInputAListInPython?Togetin-depthknowledgeonPythonalongwithitsvariousapplications,youcan enrollnowforliveonlinePythontrainingwith24/7supportandlifetimeaccess.Gotaquestionforus?Mentiontheminthecommentssectionof articleandwewillgetbacktoyouorjoinourPythonMastercourse.UpcomingBatchesForPythonCertificationTrainingCourseCourseNameDatePythonCertificationTrainingCourseClassStartson27thAugust,202227thAugustSAT&SUN(WeekendBatch)ViewDetailsPythonCertificationTrainingCourseClassStartson24thSeptember,202224thSeptemberSAT&SUN(WeekendBatch)ViewDetailsRecommendedvideosforyouPythonProgramming–LearnPythonProgrammingFromScratchWatchNowMasteringPython:AnExcellenttoolforWebScrapingandDataAnalysisWatchNowLinearRegressionWithRWatchNowKnowTheScienceBehindProductRecommendationWithRProgrammingWatchNowIntroductiontoBusinessAnalyticswithRWatchNowDiversityOfPythonProgrammingWatchNowBusinessAnalyticsDecisionTreeinRWatchNowPythonList,Tuple,String,SetAndDictonary–PythonSequencesWatchNowTheWhysandHowsofPredictiveModeling-IIWatchNowPythonTutorial–AllYouNeedToKnowInPythonProgrammingWatchNowApplicationofClusteringinDataScienceUsingReal-TimeExamplesWatchNowPythonNumpyTutorial–ArraysInPythonWatchNowPythonLoops–While,ForandNestedLoopsinPythonProgrammingWatchNowBusinessAnalyticswithRWatchNowMachineLearningwithPythonWatchNowAndroidDevelopment:UsingAndroid5.0LollipopWatchNowPythonforBigDataAnalyticsWatchNowSentimentAnalysisInRetailDomainWatchNowWebScrapingAndAnalyticsWithPythonWatchNowDataScience:MakeSmarterBusinessDecisionsWatchNowRecommendedblogsforyouHowToBecomeAMachineLearningEngineer?–LearningPathReadArticleABeginner’sguideto“WhatisRProgramming?”ReadArticleWhatisUnsupervisedLearningandHowdoesitWork?ReadArticleTop10DataScienceCertificationsin2022–YourPathtoBecomeaDataScientist!ReadArticleTop10ReasonsWhyYouShouldLearnPythonReadArticleLearnHowToMakeSimpleMobileApplicationsUsingThisKivyTutorialInPythonReadArticlePyGameTutorial–GameDevelopmentUsingPyGameInPythonReadArticleWhyShouldaStatisticalProfessionalKnowR?ReadArticleLinearRegressionAlgorithmfromScratchReadArticleEverythingYouNeedToKnowAboutMatrixInPythonReadArticlePythonConstructors:EverythingYouNeedToKnowReadArticleFIFAWorldCup2018BestXI:AnalyzingFifaDatasetUsingPythonReadArticleHowToImplement2-DarraysinPython?ReadArticlePython:InterestingFactsYouNeedToKnowReadArticleHowToCreateYourFirstPythonMetaclass?ReadArticleWorldCup2018:5GameChangingTechnologiesinFootballReadArticleAComprehensiveGuideToRandomForestInRReadArticleRShinyTutorial:AllyouNeedtoKnowReadArticleWhatisBusinessAnalytics?AllyouNeedtoKnowReadArticlePythonvsC++:KnowwhatarethedifferencesReadArticleComments0CommentsJointhediscussion 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