linsert − Insert elements into a list
linsert list index element ?element element ...? _________________________________________________________________
This command produces a new list from list by inserting all of the element arguments just before the indexth element of list. Each element argument will become a separate element of the new list. If index is less than or equal to zero, then the new elements are inserted at the beginning of the list. If index has the value end, or if it is greater than or equal to the number of elements in the list, then the new elements are appended to the list. end−integer refers to the last element in the list minus the specified integer offset.
element, insert, list