# Installing Python 3 on macOS with Homebrew

This guide provides a concise overview of installing Python 3 on an M2 MacBook Air using Homebrew, and setting up `pip` and `venv` for a robust Python development environment.

## Prerequisites

- Access to Terminal
- Connectivity to the Internet

## Step 1: Install Homebrew

Open Terminal and run:

```sh
/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
```

## Step 2: Install Python 3

Install Python 3, which includes `pip3` and `venv`, by running:

```sh
brew install python
```

## Step 3: Verify Python 3 Installation

Check the Python version to verify installation:

```sh
python3 --version
```

## Step 4: Verify pip Installation

Ensure `pip3` is installed:

```sh
pip3 --version
```

## Step 5: Setup Virtual Environments with venv

Navigate to your project directory:

```sh
cd path/to/your/project
```

Create a virtual environment:

```sh
python3 -m venv venv
```

Activate the virtual environment:

```sh
source venv/bin/activate
```

## Step 6: Deactivate Virtual Environment

To exit the virtual environment:

```sh
deactivate
```

This guide ensures you have a functional Python environment on macOS, ideal for development activities.