<!-- livebook:{"persist_outputs":true} -->

# Sample Livebook

## Section

### Markdown

Notebooks are .livemd files, a subset of Markdown with support for equations and annotations.

<!-- livebook:{"livebook_object":"cell_input","name":"plus","type":"number","value":"1"} -->

```elixir
{plus, _} = IO.gets("plus") |> Integer.parse()

[1, 2, 3]
|> Enum.map(&(&1 + plus))
```

```output
[2, 3, 4]
```
