Flatten List

Flatten List removes one level of nesting by default, or all nested levels when deep flattening is enabled.

Inputs

Input	Type	Required	Description
List	List	No	The list to flatten. Defaults to `[]`.
Deep	Boolean	No	Flatten every nested level. Defaults to off.

Output	Type	Description
Flattened	List	The flattened list.

With Deep off, [[1], [[2]]] becomes [1, [2]]. With it on, the same input becomes [1, 2].