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Learn MicroPython - The basics

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Overview
Introduction
Variables and Reserved Words
Controlling the Flow
Functions and Modules
Summary and Review

The REPL

Read Evaluation Print Loop

By Kevin McAleer,    1 Minute

Picture of a Reptile close up

The REPL

MicroPython has an input and output console thats called the REPL, which stands for Read Evaluation Print Loop. This is because the REPL reads in commands, evaluates them, prints out the results to the console and then loops back to the reading in stage.

You will have noticed the REPL at the bottom of the screen, its where we see the output of all the code we’ve run so far.

You can type MicroPython code directly into the REPL, which is useful for quickly testing things or examining the attached MicroPython device.

Screenshot of the REPL

A screenshot of the REPL showing the currently installed version of MicroPython.

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