Array insert function
The insert array function is as follows:
insert
(index, item)
Inserts an item into the array at the given index. All existing entries in the array are moved up one entry.
Parameters:
index - index in the array to insert the item
item - the item to insert
Returns:
This function has no return value.
Example:
array.add("zero")
array.add("two")
array.add("three")
// array now contains three items. array[0] is "zero",
// array[1] is "two", and array[2] is "three".
array.insert(1, "one")
// array now contains four items. array[0] is "zero",
// array[1] is "two", array[2] is "two", and array[3] is "three".
array.add("two")
array.add("three")
// array now contains three items. array[0] is "zero",
// array[1] is "two", and array[2] is "three".
array.insert(1, "one")
// array now contains four items. array[0] is "zero",
// array[1] is "two", array[2] is "two", and array[3] is "three".
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