Procedures: Lists

• First — Returns the first element of a List.
• Last — Returns the last element of a List.
• ListFill — Creates a new List by filling every element with the same value.
• Mid — Copies a List by taking only a range of its elements.
• RemoveAt — Removes one or more elements from a List.
• Skip — Copies a List by skipping the first N elements.
• Take — Copies a List from the first N elements only.