---
title: reverse
tags: list,string,beginner
---

Reverses a list or a string.

- Use slice notation to reverse the list or string.

```py
def reverse(itr):
  return itr[::-1]
```

```py
reverse([1, 2, 3]) # [3, 2, 1] 
reverse('snippet') # 'teppins' 
```