new_contents: """Testing module for linked_list module."""
  from linked_list import LinkedList
  
  
  def test_linked_list_push():
      """Test linked list push method."""
      linked_lst = LinkedList()
      linked_lst.push(3)
      linked_lst.push("boomshakalaka")
      assert linked_lst.head.val == "boomshakalaka"
      assert linked_lst.head.next.val == 3
      assert linked_lst.head.next.next is None
  
subject: test push method