Update doubly_linked_list_two.py

Author: MaximSmolskiy

data_structures/linked_list/doubly_linked_list_two.py

@@ -240,6 +240,7 @@ def create_linked_list() -> None:
     >>> linked_list
     LinkedList(head=None, tail=None)
     >>> str(linked_list)
+    ''
     >>> linked_list.insert_at_position(position=1, value=10)
     >>> linked_list
     >>> str(linked_list)