terraform/website/docs/language/functions/sum.html.md

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---
layout: "language"
page_title: "sum - Functions - Configuration Language"
sidebar_current: "docs-funcs-collection-sum"
description: |-
The sum function takes a list or set of numbers and returns the sum of those
numbers.
---
# `sum` Function
`sum` takes a list or set of numbers and returns the sum of those numbers.
## Examples
```
> sum([10, 13, 6, 4.5])
33.5
```