create linked list 10.12 .8 .4 .6
head = push ( head , 6 ) NEW_LINE head = push ( head , 4 ) NEW_LINE head = push ( head , 8 ) NEW_LINE head = push ( head , 12 ) NEW_LINE head = push ( head , 10 ) NEW_LINE print ( " Linked ▁ list ▁ before ▁ sorting : " ) NEW_LINE printList ( head ) NEW_LINE