Getting Started with Python and Raspberry Pi by Dan Nixon

By Dan Nixon

This ebook is designed in the event you are strange with the paintings of Python improvement and wish to get to grasp their manner around the language and the numerous extra libraries that let you get an entire software up and operating in no time.
Learn to layout and enforce trustworthy Python purposes at the Raspberry Pi utilizing quite a number exterior libraries, the Raspberry Pis GPIO port, and the digital camera module

About This Book

Learn the basics of Python scring and alertness programming
Design simple command-line and graphical consumer interfaces
A step by step advisor to studying Python programming with the Pi

What you'll Learn

Fundamentals of Python applications
Designing functions for multi-threading
Interacting with electronics and actual devices
Debugging purposes after they cross wrong
Packaging and fitting Python modules
User interface layout utilizing Qt
Building effortless to exploit command-line interfaces
Connecting purposes to the Internet

In Detail

The Raspberry Pi is among the smallest and so much reasonable unmarried board desktops that has taken over the area of pastime electronics and programming, and the Python programming language makes this the proper platform to begin coding with.

The e-book will begin with a quick creation to Raspberry Pi and Python. we'll direct you to the respectable documentation that is helping you place up your Raspberry Pi with the mandatory gear reminiscent of the computer screen, keyboard, mouse, strength offer, and so forth. it's going to then dive correct into the fundamentals of Python programming. Later, it is going to specialise in different Python initiatives, for example, interfacing with undefined, GUI programming, and extra. when you get better versed with the elemental programming, the e-book will then educate you to strengthen Python/Raspberry Pi applications.

By the top of this booklet, it is possible for you to to advance Raspberry Pi functions with Python and should have strong knowing of Python programming for Raspberry Pi.

Style and approach

An easy-to-follow creation to Python scring and alertness improvement via transparent conceptual reasons sponsored up by means of real-world examples at the Raspberry Pi.

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You can compute the area of a circle with code such as the following. 5398163397 C h a p t e r 2 ■ I R O N P Y TH O N S Y N TAX nNote We made use of the built-in math module, which we haven’t covered yet. The math module has a wide variety of mathematical operations included so that you don’t have to take the time to implement them yourself. 141592653589793. If you don’t want to use the math module, you can use that approximation to get the same results. random I’m going to take a little liberty as the author at this point and employ a function that is technically built in but that requires you to import a module to use it.

So if cryptography or security is in your development future, you will need to find alternative solutions. If you’re interested in learning more about how IronPython generates random numbers, the algorithm it uses, called Mersenne Twister, is very effective at quickly generating pseudo-random numbers. 35 36 Ch apt er 2 ■ IR ONP YTHON S YNTAX randrange This function is almost identical in purpose to the random() function in IronPython, except it lets you be a bit more specific about the range and type of values you need.

And even if you are, your memory may play tricks on you. A poorly implemented program is a nightmare to maintain—for anyone. Summary IronPython (and Python in general) is designed to be a very easy-to-read, easy-to-write language. In this chapter we explored the basics of IronPython syntax, including string and integer manipulation, error handling, and exception handling. We took a very simple Hello World application and added user input, string concatenation, and error checking to it. This is really the basic context in which a developer works: get input , work with that input to produce a desired output, and handle any errors encountered gracefully.

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