---
id: 5ddb965c65d27e1512d44d9d
title: Part 04
challengeType: 0
isBeta: true
---
## Description
Create the `calculate` function that will hold the code to sum up the user's calorie inputs. Leave the body blank for now.
Here is an example of an empty function called `square`:
```js
function square() {}
```
## Instructions
## Tests
```yml
tests:
- text: See description above for instructions.
testString: assert( typeof calculate === "function" );
```
## Challenge Seed
```html
```
### Before Test
### After Test
```html