2 Answers
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This e-book on RPi is available today for free at packtpub:
https://www.packtpub.com/hardware-and-creative/raspberry-pi-example
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The Raspberry Pi is designed to help people learn about electronics and coding..
Python is just the language that Raspberry Pi is geared towards learning.
You can use python to interact with the GPIO pins on the Raspberry Pi to build electronics.
The (relative) simplicity of Python makes it wonderful for beginners to get started learning to code and make useful things.
A simple electronics project using raspberry pi that most people first learn to create is how to blink an LED off and on using python. First you have to build the circuit, and then in python you import the modules for interacting with the GPIO pins, and write the code to turn the LED off and on.