Reversing a linked list in python

Question

I am asked to reverse a which takes head as parameter where as head is a linked list e.g.: 1 -> 2 -> 3 which was returned from a function already defined I tried to implemen

Answer 1

def reverseLinkedList(head):

    current =  head
    previous = None
    nextNode = None

    while current:

        nextNode = current.nextNode
        current.nextNode = previous

        previous = current
        current = nextNode

    return previous