Practical Programming (in Python)

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1、COMP150:PracticalProgramming(inPython)JeffreyElknerAllenB.DowneyChrisMeyersBrendanMcCaneIainHewsonNickMeekFebruary19,2013iiContentsLicensexiForewordxiiiPrefacexvContributorListxixCourseInformationxxiii1Thewayoftheprogram11.1ThePythonprogramminglanguage...............

2、..................11.2Whatisaprogram?...........................................31.3Whatisdebugging?...........................................41.4Experimentaldebugging........................................41.5Formalandnaturallanguages..............................

3、.......51.6Thefirstprogram............................................61.7Glossary.................................................61.8TheCOMP150lab............................................71.8.1Logging-on...........................................81.8.2TheOSXdeskt

4、op........................................81.8.3Menus..............................................81.8.4Thedock.............................................91.8.5TheFinderwindow......................................101.8.6Yourhomedirectory...........................

5、...........101.8.7Applications...........................................101.8.8IDLE...............................................111.8.9Gettinghelp...........................................111.8.10Courseworkfiles........................................121.8.11Terms

6、requirements......................................121.9Blackboard................................................12iii1.10Laboratoryexercises..........................................132Variables,expressionsandstatements172.1Valuesandtypes............................

7、................172.2Variables.................................................182.3Variablenamesandkeywords.....................................192.4Statements................................................202.5Evaluatingexpressions.................................

8、........202.6Operatorsandoperands........................................212.7Themodulusoperator...................................