YAML or "Ain’t markup language” ( ansible )

YAML	explained
	YAML is commonly used in configuration files for applications, data exchange between different programming languages, and in scenarios where human readability is a priority. Its simplicity and readability make it popular in various contexts, including configuration management tools, continuous integration pipelines, and more.

formator	https://jsonformatter.org/yaml-formatter
convertor	https://json2yaml.com/ https://jsonformatter.org/json-to-yaml

Variable:	key:value pair key1:value1

value list	key: [ 'value1' , 'value2' ] or key: - value1 - value2
object	group of key:value pair object1: key1: value1 key2: value2
complex list	list of key:value pairs or objects clist: { key1: value1, key2: value2 } clist: object1: key1: value1 key2: value2 object2: key1: value1 key2: value2

Data serialization language which is designed to be human -friendly and works well with other programming languages for everyday tasks.

Example: