# Template for printing the linked list with forward arrows

def print_list_with_forward_arrow(linked_list_node):
    temp = linked_list_node
    while temp:
        print(temp.data, end=" ")  # print node value
        
        temp = temp.next
        if temp:
            print("→", end=" ")
        else:
            # if this is the last node, print null at the end
            print("→ null", end=" ")

def print_list_with_forward_arrow_loop(linked_list_node):
    temp = linked_list_node
    while temp:
        print(temp.data, end=" ")  # print node value
        
        temp = temp.next
        if temp:
            print("→", end=" ")