Start with the empty list
head = None NEW_LINE head = push ( head , 20 ) NEW_LINE head = push ( head , 4 ) NEW_LINE head = push ( head , 15 ) NEW_LINE head = push ( head , 85 ) NEW_LINE print ( " Given ▁ linked ▁ list " ) NEW_LINE printList ( head ) NEW_LINE head = reverse ( head ) NEW_LINE print ( " Reversed Linked list   " ) NEW_LINE printList ( head ) NEW_LINE