Keyboard shortcut to produce code chunk brackets in markdown in R for RStudio

Question

Is there a keyboard shortcut to produce code chunk brackets in Rmarkdown ?:

```{r}

```

Answer 1

on pc in RStudion it's: Ctrl+Alt+i

Answer 2

On a mac in RStudio: alt+cmd+i. It's under the "code" dropdown menu box if you forget it.