Python Programming - An Introduction To Computer Science

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1、PythonProgramming:AnIntroductiontoComputerScienceJohnM.Zelle,Ph.D.Version1.0rc2Fall2002Copyrightc2002byJohnM.ZelleAllrightsreserved.Nopartofthispublicationmaybereproduced,storedinaretrievalsystem,ortransmitted,inanyformorbyanymeans,electronic,mechanical,photocopying,recording,orot

2、herwise,withoutpriorwrittenpermissionoftheauthor.ThisdocumentwaspreparedwithLATEX2eandreproducedbyWartburgCollegePrintingServices.Contents1ComputersandPrograms11.1TheUniversalMachine.....................................11.2ProgramPower.........................................21.3Wh

3、atisComputerScience?...................................21.4HardwareBasics........................................31.5ProgrammingLanguages....................................41.6TheMagicofPython......................................51.7InsideaPythonProgram...........................

4、.........81.8ChaosandComputers......................................101.9Exercises............................................112WritingSimplePrograms132.1TheSoftwareDevelopmentProcess..............................132.2ExampleProgram:TemperatureConverter...........................1

5、32.3ElementsofPrograms......................................152.3.1Names.........................................152.3.2Expressions.......................................152.4OutputStatements........................................162.5AssignmentStatements..........................

6、...........172.5.1SimpleAssignment...................................172.5.2AssigningInput.....................................182.5.3SimultaneousAssignment...............................192.6DefiniteLoops.........................................202.7ExampleProgram:FutureValue......

7、..........................222.8Exercises............................................243ComputingwithNumbers253.1NumericDataTypes......................................253.2UsingtheMathLibrary.....................................273.3AccumulatingResults:Factorial.....................

8、...........283.4TheLimitso