Function SumListRecursive(numbers As List(Of Integer)) As Integer
        ' Base case: if the list is empty, return 0
        If numbers.Count = 0 Then
            Return 0
        Else
            ' Recursive case: add the first element to the sum of the rest of the list
            Dim firstElement As Integer = numbers(0)
            Dim remainingElements As List(Of Integer) = numbers.Skip(1).ToList()
            Return firstElement + SumListRecursive(remainingElements)
        End If
    End Function