Visual Basic.net code that reads an array of scores between 0 and 100 and builds up a result string of "S", M" and "P" values for Strong, Medium and Poor broadband scores.

broadband_scorer.vb

Imports System

Public Class BroadbandScorer
    Public Shared Sub Main()
        'Declare array (list) of scores between 100 and 0   
        Dim broadband_scores as Integer() = {100, 60, 82, 20}
        
        'We start with a string that is completely empty and we'll slowly add "S", "M" or "P" letters as appropriate.
        Dim result_string As String = ""
        
        ' Loop over each score previously listed in the broadband_scores array (list), adding the appropriate letter (S, M or P) to the result string, as we go.
        For Each score as Integer in broadband_scores
            If score >= 80 Then
                ' Add an "S" to the result string, if the current broadband score is greater than or equal to 80
                result_string += "S"
            ElseIf score >= 30 Then
                ' Add an "M" to the result string, if the current broadband score is greater than 30
                ' Due to the ElseIf, this will only happen if we didn't already match the first comparison (>= 80)
                result_string += "M"
            Else
                ' Finally, if we didn't match on >= 80 or >= 30, the number must be lower than 30, so add a "P" to the result string
                result_string += "P"
            End If
        Next
        
        ' Now that we've looped over all scores and built up the result_string, print it out to the user
        System.Console.WriteLine("The result string is: " & result_string)
    End Sub
End Class