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Download e-book for iPad: Python 3 Object Oriented Programming: Harness the power of by Dusty Phillips

By Dusty Phillips

ISBN-10: 1849511268

ISBN-13: 9781849511261

The booklet starts with the very foundations of OOP after which makes use of useful examples to teach the right way to effectively enforce item orientated Programming in Python. Many examples are taken from real-world initiatives. The publication specializes in high-level layout in addition to the gritty information of the Python syntax. The supplied workouts encourage the reader to contemplate his or her personal code, instead of delivering solved difficulties. in case you are new to item orientated Programming suggestions, or when you've got simple Python abilities and need to benefit extensive how and while to properly follow item orientated Programming in Python, this can be the publication for you. while you are an object-oriented programmer for different languages, you too will locate this booklet an invaluable advent to Python, because it makes use of terminology you're already conversant in. Python 2 programmers looking a leg up within the new global of Python three also will locate the booklet worthwhile, and also you don't need to unavoidably comprehend Python 2.

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Extra resources for Python 3 Object Oriented Programming: Harness the power of Python 3 objects

Example text

But it has the advantage of allowing us to add new types of contributions without adding a new class to the design. Inheritance is most useful when the subclasses have some kind of specialization. Specialization is creating or changing attributes or behaviors on the subclass to make it somehow different from the parent class. It seems silly to create a bunch of empty classes solely for identifying different types of objects (this attitude is less prevalent among Java and other "everything is an object" programmers, but it is common among more practical Python designers).

There should be no magic variables that seem to come out of thin air. We should always be able to immediately identify where the names in our current namespace originated. Organizing the modules As a project grows into a collection of more and more modules, we may find that we want to add another level of abstraction, some kind of nested hierarchy on our modules' levels. But we can't put modules inside modules; one file can only hold one file, after all, and modules are nothing more than Python files.

Of course, it doesn't usually happen that way, but this book is about programming in Python. We'll be seeing examples and hints for good software design throughout the book, but our focus is object-oriented programming. So let's have a look at the Python syntax that allows us to create object-oriented software. After completing this chapter we will understand: • How to create classes and instantiate objects in Python • How to add attributes and behaviors to Python objects • How to organize classes into packages and modules • How to suggest people don't clobber our data Creating Python classes We don't have to write much Python code to realize that Python is a very "clean" language.

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Python 3 Object Oriented Programming: Harness the power of Python 3 objects by Dusty Phillips

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