Hello! what do i need to do to make those things work?. Maybe it's too hard to tell?
Prepend(value) : adds an element to the start of the list
Append(value) : adds an element to the end of the list
Clear()
PopFront()
PopBack()
PrintItems()
Get out a piece of paper and a pencil.
Draw little boxes for nodes.
Draw arrow for pointers.
Draw step-by step how to do each thing without losing important arrows.
Taking the time to understand it is the basis of all tough questions.