ListNode class: Provides a value and a pointer to the node after it in the linked list.
By iterating through each node and reversing its next pointer, the reverse_linked_list function flips the linked list.
The print_linked_list function is a tool for legibly printing linked lists.
ListNode class: Provides a value and a pointer to the node after it in the linked list. By iterating through each node and reversing its next pointer, the reverse_linked_list function flips the linked list. The print_linked_list function is a tool for legibly printing linked lists.