---
title: "comments"
url: https://perrotta.dev/2026/01/comments/
last_updated: 2026-01-03
---


```python
# this is an explanation that a is the result of the function foo()
a = foo()

## a = 2 + 1
a = 1 + 2
```

**Convention**: Use `##` to denote an alternative equivalent expression.

**Reminder**: Comments != Documentation (=doc comments)