length

The length() function returns the number of elements in the specified list. The index number for the first element in a list is always 0. The index number for the last list element is always the list length - 1.

result = length (list1);

list1 Required. The list for which the number of elements is determined.

result Contains the number of elements in list1.

list1 = {"Fred", "George", "Sally"};
result = length (list1);

In this example, result contains the integer value 3.

For more information, please see the following: