Let create a linked list 9 . 6 . 8 . 3 . 7
head = push ( head , 7 ) NEW_LINE head = push ( head , 3 ) NEW_LINE head = push ( head , 8 ) NEW_LINE head = push ( head , 6 ) NEW_LINE head = push ( head , 9 ) NEW_LINE head = rearrange ( head ) NEW_LINE display ( head ) NEW_LINE