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练习代码 Study Drills Write some more songs using this and make sure you understand that yo...

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练习代码 Study Drills Draw a map of the game and how you flow through it. Fix all of your m...

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练习代码 Study Drills Convert this while-loop to a function that you can call, and replace ...

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练习代码 Study Drills Make new parts of the game and change what decisions people can make....

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练习代码 Study Drills Take a look at how you used range. Look up the range function to unde...

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练习代码 Study Drills Try to guess what elif and else are doing. Change the numbers of cars...

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练习代码 Study Drills What do you think the if does to the code under it? Why does the code...

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练习代码 ex25.py 把命令行命令改写成python文件ex5c.py，方便一次出结果查看 Study Drills Take the remaining lines o...

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练习代码 Study Drills Make sure to do your checks: read it backward, read it out loud, and ...

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练习代码 补充 encode和decode互为逆操作，encode是将字符串中的字符都转化为encoding属性指定的编码，转化后的又叫raw string。 errors属...

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练习代码 Study Drills If you aren’t really sure what return does, try writing a few of your...

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练习代码 Study Drills Write an English comment for each line to understand what that line d...

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练习代码 Study Drills

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练习代码 Study Drills Create a function checklist for later exercises. Write these checks o...

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练习代码 Study Drills This script is really annoying. There’s no need to ask you before doi...

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练习代码 Study Drills If you do not understand this, go back through and use the comment tr...

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练习代码 Study Drills Above each line, comment out in English what that line does. If you a...

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练习代码 Study Drills Find out what the games Zork and Adventure were. Try to find copies a...

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练习代码 Study Drills Try giving fewer than three arguments to your script. See that error ...

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练习代码 Study Drills In Terminal, where you normally run python3.6 to run your scripts, ty...