C Approach

For Beginners

Node* insert(Node *head,int data) {

struct Node* new_node = (struct Node*) malloc(sizeof(struct Node));
Node *ptr = head ;
new_node->data = data;
new_node->next = NULL;
if(head==NULL){
    return new_node;
}
while(ptr->next!=NULL){
    ptr = ptr->next;
}
ptr->next = new_node;
return head;

}