excercise.py

class Node:
  def __init__(self, data):
    self.data = data
    self.next = None


class LinkedList:
  def __init__(self):
    self.head = None

  def insertHead(self, newNode):
    temporaryNode = self.head
    self.head = newNode
    self.head.next = temporaryNode
    del temporaryNode

  
  def insertEnd(self, newNode):
    if self.head is None:
      self.head = newNode
    else:
      lastNode = self.head
      while lastNode.next:
        lastNode.next = newNode
      lastNode.next = newNode

  def printList(self):
    currentNode = self.head
    while currentNode:
      print(currentNode.data)
      currentNode = currentNode.next

  

firstNode = Node('Faruk')
linkedList = LinkedList()
linkedList.insertEnd(firstNode)

secondNode = Node('Idris')
linkedList.insertEnd(secondNode)


thirdNode = Node('Ahmad')
linkedList.insertHead(thirdNode)

linkedList.printList()