--- id: 5d792536dc6e3ab29525de9e title: Part 073 challengeType: 0 isBeta: true --- ## Description
The function in `varRangeExpanded` contains an unused argument. Replace or prefix it with an underscore.
## Instructions
## Tests
```yml tests: - text: See description above for instructions. testString: assert(code.replace(/\s/g, "").includes("constvarRangeExpanded=x.replace(rangeRegex,(_")); ```
## Challenge Seed
```html ```
### Before Test
```html Spreadsheet
```
### After Test
```html ```
## Solution
```html ```