Download e-book for kindle: Practical Programming: An Introduction to Computer Science by Paul Gries

By Paul Gries

ISBN-10: 1934356271

ISBN-13: 9781934356272

Pcs are utilized in all the things of technological know-how from ecology to particle physics. This advent to laptop technology constantly reinforces these ties by utilizing real-world technology difficulties as examples. someone who has taken a highschool technological know-how category may be capable of stick to alongside because the booklet introduces the fundamentals of programming, then is going directly to exhibit readers how you can paintings with databases, obtain information from the internet immediately, construct graphical interfaces, and most significantly, tips on how to imagine like a certified programmer.

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Paul Gries's Practical Programming: An Introduction to Computer Science PDF

Pcs are utilized in everything of technological know-how from ecology to particle physics. This advent to desktop technological know-how constantly reinforces these ties through the use of real-world technology difficulties as examples. someone who has taken a highschool technology classification could be capable of persist with alongside because the ebook introduces the fundamentals of programming, then is going directly to express readers the way to paintings with databases, obtain facts from the internet instantly, construct graphical interfaces, and most significantly, easy methods to imagine like a qualified programmer.

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We could abbreviate it as fahr_to_cel, make it much shorter and use f2c, or even just use f. Write a paragraph describing which name you think is best and why. Consider ease of remembering, ease of typing, and readability. Don’t forget to consider people whose first language isn’t English. 7. In the United States, a car’s fuel efficiency is measured in miles per gallon. In the metric system, it is usually measured in liters per 100 kilometers. a) Write a function called convert_mileage that converts from miles per gallon to liters per 100 kilometers.

The fact that Python doesn’t allow programmers to “freeze” values like this is one of the language’s few significant flaws. Combining the module’s name with the names of the things it contains is safe, but it isn’t always convenient. 415927 This can lead to problems when different modules provide functions that have the same name. If you import a function called spell from a module called magic and then you import another function called spell from the module grammar, the second replaces the first.

1. cmd >>> '123' + 4 The fact that Python will not combine strings and numbers using + doesn’t mean that other operators can’t combine strings and integers. 2 Escape Characters Suppose you want to put a single quote inside a string. cmd >>> 'that' s not going to work' File "" , line 1 'that' s not going to work' ^ SyntaxError: invalid syntax The problem is that when Python sees the second quote—the one that you think of as being part of the string—it thinks the string is over. It then doesn’t know what to do with all the stuff that comes after the second quote.

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Practical Programming: An Introduction to Computer Science Using Python by Paul Gries


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