Inserting refers to adding an element into an existing data structure at a specific position.
Imagine you have arranged your books on a shelf in alphabetical order. When you insert a new book, you need to find its correct position based on its title and shift all the books after it to make room for it.
Index: An index represents the position or location of an element within a data structure.
Array/List: An array or list is an ordered collection of elements where insertion allows adding elements at any valid index.
Linked List: A linked list is another type of data structure where each element contains both data and reference to the next element, allowing efficient insertion at any position.
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