Snake Wrangling for Kids - Learning to Program with Python 2, win-v0.7.2 (2007)

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1、SnakeWranglingforKids,LearningtoProgramwithPythonbyJasonR.BriggsVersion0.7.2Copyright°c2007.Publishedby...ah,nooneactually.CoverartandillustrationsbyNuthapitolC.Website:http://www.briggs.net.nz/log/writing/snake-wrangling-for-kidsThanksTo:GuidovanRossum(forbenevelontdictatorshipofthePy

2、thonlanguage),themem-bersoftheEdu-Sigmailinglist(forhelpfuladviceandcommentary),andauthorDavidBrin(theoriginalinstigatorofthisbook).License:ThisworkislicensedundertheCreativeCommonsAttribution-Noncommercial-ShareAlike3.0NewZealandLicense.Toviewacopyofthislicense,visithttp://creativecom

3、mons.org/licenses/by-nc-sa/3.0/nz/orsendalettertoCreativeCommons,171SecondStreet,Suite300,SanFrancisco,California,94105,USA.Belowisasummaryofthelicense.Youarefree:•toSharetocopy,distributeandtransmitthework•toRemixtoadapttheworkUnderthefollowingconditions:Attribution.Youmustattributeth

4、eworkinthemannerspecifiedbytheauthororlicensor(butnotinanywaythatsuggeststhattheyendorseyouoryouruseofthework).Noncommercial.Youmaynotusethisworkforcommercialpurposes.ShareAlike.Ifyoualter,transform,orbuilduponthiswork,youmaydistributetheresultingworkonlyunderthesameorsimilarlicensetoth

5、isone.Foranyreuseordistribution,youmustmakecleartoothersthelicensetermsofthiswork.Anyoftheaboveconditionscanbewaivedifyougetpermissionfromthecopyrightholder.Nothinginthislicenseimpairsorrestrictstheauthor’smoralrights.ContentsPrefaceiii1Notallsnakeswillsquishyou11.1AFewWordsAboutLangua

6、ge.....................31.2TheOrderofNon-venomousConstrictingSerpentes............31.3YourfirstPythonprogram........................51.4YourSecondPythonprogram...thesameagain?............628multipliedby3.57equals...92.1Useofbracketsand“OrderofOperations”...............112.2There’snothin

7、gsofickleasavariable..................132.3UsingVariable...............................152.4APieceofString?.............................162.5TrickswithStrings............................172.6Notquiteashoppinglist.........................192.7TuplesandLists.............................