C - Singly linked lists Description tests/ - Main functions provided by Holberton School to test the files. lists.h - Header file with function prototypes and with structures. Tasks 0. Print list 0-print_list.c - Function that prints all the elements of a list. 1. List length 1-list_len.c - Function that returns the number of elements in a linked list. 2. Add node 2-add_node.c - Function that adds a new node at the beginning of a list. 3. Add node at the end 3-add_node_end.c - Function that adds a new node at the end of a list. 4. Free list 4-free_list.c - Function that frees a list. 5. The Hare and the Tortoise 100-first.c - Function that prints a string before the main is executed. Author Felipe Villamizar - GitHub