--- id: 5d7925353d2c505eafd50cd9 title: Part 047 challengeType: 0 isBeta: true --- ## 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
```html Spreadsheet
```
### After Test
```html ```
## Solution
```html ```