Update circular_linked_list.py

Author: Mugendesu

LinkedLists all Types/circular_linked_list.py

@@ -1,5 +1,4 @@
-from turtle import mode
-
+'''Author - Mugen https://github.com/Mugendesu'''
 
 class Node :
     def __init__(self , data , next = None):
@@ -131,4 +130,4 @@ def main():
 
 
 if __name__ == '__main__':
-    main()
+    main()