insert the following data
head = push ( head , 9 ) NEW_LINE head = push ( head , 3 ) NEW_LINE head = push ( head , 5 ) NEW_LINE head = push ( head , 10 ) NEW_LINE head = push ( head , 12 ) NEW_LINE head = push ( head , 8 ) NEW_LINE print ( " Doubly ▁ Linked ▁ List ▁ Before ▁ Sorting " ) NEW_LINE printList ( head ) NEW_LINE head = insertionSort ( head ) NEW_LINE print ( " Doubly Linked List After Sorting " ) NEW_LINE printList ( head ) NEW_LINE