new_contents: import LinkedList
  
  # Problem description:      Find the length of a linked list.
  # Solution time complexity: O(n)
  # Comments:                 
  
  # Linked List Node inside the LinkedList module is declared as:
  #
  #   class Node:
  #       def __init__(self, val, nxt=None):
  #           self.val = val
  #           self.nxt = nxt
  #
  
  def FindLength(head: LinkedList.Node) -> int:
      node  = head
      count = 0
  
      while node != None:
          count += 1
          node   = node.nxt
  
      return count
  
subject: Create solution.py