input: Write a function to determine if it is possible to create a linked list in Python using the given node class. If it is possible, return True, else return False. If no input is provided, return False.
  assert create_linked_list(ListNode(1))==True
  assert create_linked_list(ListNode('a'))==True
  assert create_linked_list(ListNode(1.5))==True
  assert create_linked_list([])==False
  assert create_linked_list()==False
output: def create_linked_list(node=None):
      if node is None:
          return False
      if isinstance(node, ListNode):
          return True
      return False