//Deletes the entire list by free each element and settign _head to NULL
void deleteList(struct Node** head){
    struct Node* current = *head;
    struct Node* temp;
    while(current!=NULL){
        temp = current;
        current = current->next;
        free(temp->employee);
        free(temp);
        //temp=NULL;
    }
    *head = NULL;
}