Put 2 chunks of code side by side in RMarkdown or Quarto

Question

How can I put 2 chunks of code side by side in the output file of RMarkdown or Quarto ?

Code

library(dplyr)
mtcars %>% select(gear)

library(dplyr)
select(mtcars, gear)

Desired layout in the PDF or HTML file

Answer 1

---
title: "Untitled"
output: html_document
---

:::::::::::::: {.columns}
::: {.column width="50%"}


```{r warning=FALSE,message=FALSE}
library(dplyr)
mtcars %>% select(gear)
```

:::
::: {.column width="50%"}

```{r warning=FALSE,message=FALSE}
library(dplyr)
select(mtcars, gear)
```

:::
::::::::::::::

used This SO question as a resource. This is using pandoc to format the document in Rmarkdown HTML output