4.11.3 list operations

+

concatenation

delete

deletes one element from list, returns new list

insert

inserts or appends a new element to list, returns a new list

list_expression [ int_expression ]

is a list entry; the index 1 gives the first element.

Example:

list l1 = 1,"hello",list(-1,1); list l2 = list(1,5,7); l1 + l2; // a new list ==> [1]: ==> 1 ==> [2]: ==> hello ==> [3]: ==> [1]: ==> -1 ==> [2]: ==> 1 ==> [4]: ==> 1 ==> [5]: ==> 5 ==> [6]: ==> 7 l2 = delete(l2, 2); // delete 2nd entry l2; ==> [1]: ==> 1 ==> [2]: ==> 7