input: Write a function to create a class that defines a linked list node in Python. The class should have a constructor that initializes the data for the node and sets the next pointer to None.
  
  def create_list_node_class():
      class ListNode:
          def __init__(self, data):
              self.data = data
              self.next = None
      return ListNode
  
  assert create_list_node_class().__init__.__doc__ == None
  assert create_list_node_class().__init__.__annotations__ == {}
  assert create_list_node_class().__init__.__defaults__ == None
  assert create_list_node_class()("") is not None
  assert create_list_node_class()("example data").data == "example data"
  assert create_list_node_class()("example data").next == None
output: def create_list_node_class():
      class ListNode:
          def __init__(self, data):
              self.data = data
              self.next = None
      return ListNode