C Linked List 5 : Insert a new node at the end of a Singly Linked List [C Programming]

Insert a new node at the end of a Singly Linked List.

Expected Output:
Input the number of nodes : 3
Input data for node 1 : 5
Input data for node 2 : 6
Input data for node 3 : 7

Data entered in the list are :
Data = 5
Data = 6
Data = 7

Input data to insert at the end of the list : 8

Data after inserted in the list are :
Data = 5
Data = 6
Data = 7
Data = 8

=================================================