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---
title: What is YAML?
---
YAML is a simple, human readable format for representing associative and hierarchical data.
Example from wikipedia page on YAML:
```yaml
receipt: Oz-Ware Purchase Invoice
date: 2012-08-06
customer:
first name: Harry
family name: Potter
address: |-
4 Privet Drive,
Little Whinging,
England
items:
- part_no: A4786
description: Water Bucket (Filled)
price: 1.47
quantity: 4
- part_no: E1628
description: High Heeled "Ruby" Slippers
size: 8
price: 133.7
quantity: 1
```
Key features:
- Things which are associated with other things - delimited by the colon (:).
- Ordered lists of things - delimited by the prepended dash (-).
- Multi-line strings - delimited by the bar (|) if there is another newline at the end of the string, or bar + dash (|-) if not.
- Indentation describing the hierarchy of data.
- Maps directly to data types common to most high level languages - lists, dicts, scalars.
You don't need to know much more than this.
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