Hello World from Python

// But if we create an environment variable first
$ export MY_NAME="Wade Wilson"

// And then call the program again
$ python main.py

// Now it can read the environment variable

Hello Wade Wilson from Python
```

</div>

🌐 🔢 💪 ⚒ 🏞 📟, ✋️ 💪 ✍ 📟, &amp; 🚫 ✔️ 🏪 (💕 `git`) ⏮️ 🎂 📁, ⚫️ ⚠ ⚙️ 👫 📳 ⚖️ ⚒.

// And then call the program again
$ python main.py

// Now it can read the environment variable

Hello Wade Wilson from Python
```

</div>

As environment variables can be set outside of the code, but can be read by the code, and don't have to be stored (committed to `git`) with the rest of the files, it's common to use them for configurations or settings.