---
id: 5d7925353d2c505eafd50cd9
title: Part 47
challengeType: 0
---
## Description
Remove the curly braces and `return` keyword from `range`.
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert(code.replace(/\s/g, "").includes("constrange=(start,end)=>start>end?[]:[start].concat(range(start+1,end))"));
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html
```
## Solution