// Insert val at the beginning of the list. Return true if insertions succeeds, false otherwise. bool List::InsertFirst (int val)

{ // FOR YOU TO DO }

// Insert val at the end of the list. Return true if insertion succeeds, false otherwise. bool List::InsertLast (int val)

{ // FOR YOU TO DO }

// Remove the first occurrence of val from the list. Return true if removal succeeds, false otherwise. bool List::RemoveVal (int val)

{ // FOR YOU TO DO }

int main() { List L (200); L.InsertFirst (10); L.InsertFirst (20); 6 L.InsertFirst (30); L.InsertLast (40); L.InsertLast (50); L.InsertLast (60); cout << "After some insertions: "; L.Print(); cout << endl; L.RemoveVal (30); L.RemoveVal (50); L.RemoveVal (10); cout << "After removing some values: " ; L.Print(); cout << endl; return EXIT_SUCCESS; } Notice we have introduced a second member f

C++ please