6.40.10 Inserting an element into a list or a string: insert
The insert command inserts elements into a list or string.
-
insert takes three arguments:
-
L, a list or a string.
- i, an integer (the index).
- x.
- insert(L,i,x) returns L with x inserted at
index i and the necessary elements shifted to the right.
Examples.
-
Input:
insert([3,4,2],2,5)
Output:
- Input:
insert("342",2,"5")
Output:
insert returns an error if the index is too large.
Input:
insert([3,4,2],4,5)
Output:
insert([3,4,2],4,5) |
Error: Invalid dimension
|