An exception of type RW BoundsError will be thrown if i is not a valid index. Valid indices are from zero to the number of items in the list less one. The results cannot be used as an lvalue . An exception of type RW BoundsError will be thrown if i is not a valid index. Valid indices are from zero to the number of items in the list less one.
Equality is measured by the class-defined equality operator.
Client data may be passed through as parameter d . Returns the number of items that are currently in the collection. Equality is measured by the class-defined equality operator. Client data may be passed through as parameter d . The behavior is undefined if the list is empty.