Insert Into List At Index

Inserts an item into the list at a certain index and returns the list.

Description

The Insert Into List At Index block inserts an item into the list at a certain index and returns the list. This is a code block part of the Lists drawer.

Usage

Use Insert Into List At Index to add elements at specific positions within a list. This is useful for maintaining ordered lists, inserting values at calculated positions, or building lists dynamically with precise control over element placement.

Syntax

Inputs:

• Any type of element/block to insert
• A list to insert into
• A number (the index position)

Notes

• Returns the modified list with the new element inserted
• Elements after the insertion point are shifted to higher indices
• The original list is modified and returned
• List indices in StarLogo Nova start at 1

Related Blocks

• List - Creates a list with specified elements
• Remove item number from - Removes an item at a specific index
• Splice list into list at index - Inserts multiple items from one list into another
• Item number in - Returns the item at a specific index