Insert

Insert[list, elem, n] inserts elem at position n in list. If n is negative, the position is counted from the end.

Insert[expr, elem, i, j, ... ] inserts elem at position i, j, ... in expr.

Insert[expr, elem, , , ... , , , ... , ... ] inserts elem at several positions.

Examples: Insert[a, b, c, x, 2] .

Insert[a, b, c, x, 1, -1] .

Insert[a, b, c, d, x, 2, 1] .

list can have any head, not necessarily List.

Insert works on SparseArray objects by effectively inserting into the corresponding ordinary lists.

See Section 1.8.6 and Section 2.4.2.

See also: Prepend, Append, StringInsert, Take, Drop, Delete, ReplacePart, FlattenAt, Position, Sequence.

New in Version 1.

Further Examples