Python "Black Box": Input and Output(Python Core in Action 6)

Learn Python's input/output basics and JSON serialization with practical examples and simple code. Perfect for beginners and advanced developers.

At the turn of the century, a popular saying went: "On the internet, nobody knows you're a dog." When the internet first emerged, a single cable connected your home, sending information straight to your screen. You quickly replied to friends via your keyboard, and the information zipped back into the complex virtual world and into your friends' homes.

In abstract terms, each computer is a black box with input and output, meeting the basic requirements for a Turing machine.

A Python program is also a black box: data comes in via input streams and goes out via output streams. Maybe there's a person behind the Python interpreter, or maybe a Slytherin. No one cares.

Let's dive into the basics of Python input and output.