Update Linked-list.md

new change

contrib/ds-algorithms/Linked-list.md

@@ -104,7 +104,7 @@ Lets complete the code and create a linked list.
 
 Connect all the code.
 
-if __name__ == '__main__':
+    if __name__ == '__main__':
         llist = LinkedList()
         
         # Insert words at the beginning
@@ -123,9 +123,8 @@ if __name__ == '__main__':
         llist.printList()
     
     
-
-    output:
-    1 2 3 9 4 10 7
+## output:
+1 2 3 9 4 10 7
 
 
 ### Deleting a node from the beginning of a linked list