# Lesson 3

### What you will learn in this lesson?

By the end of this lesson you will learn the following:

* You will understand how buttons work on different devices and the micro:bit
* You will learn how to code your micro:bit to run different programs when you press the different buttons on your micro:bit


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.kidscode.co.za/microbit-beginners/lesson-3.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.