--- id: 5d7925342b2b993ef18cd45f title: Part 41 challengeType: 0 --- ## Description
After declaring `arr`, but before returning it, `range` should use the `push` method to add `end` onto `arr`.
## Instructions
## Tests
```yml tests: - text: See description above for instructions. testString: assert(JSON.stringify(range(1, 2)) === "[1,2]" && code.includes("push")); ```
## Challenge Seed
```html ```
### Before Test
```html Spreadsheet
```
### After Test
```html ```
## Solution
```html ```