namespace stringLL
{

struct Node
{
    std::string data;
    Node *next = nullptr;
};

struct strLL
{
    Node *head;
    Node *tail;
};

// command functions start below

void insertFront(strLL &list, std::string data)
{
    Node *new_node = new Node{data, list.head};
    list.head = new_node;
}