Python dictionary in VBA

[JKwan]

see if this works.... I don't know python so i use ChatGPT to convert your program:
you will also need to add the rest of your measurements to the Dictionary as well
you need to add a reference to Microsoft Scripting Runtime as well

Sub RebarResults()
    Dim crosssection As Single
    crosssection = InputBox("Rebar cross-section value(cm2):")
    
    Dim rebars As Scripting.Dictionary
    Set rebars = New Scripting.Dictionary
    
    ' 1 rebars
    rebars.Add 0.28, "1x6"
    rebars.Add 0.5, "1x8"
    rebars.Add 0.79, "1x10"
    rebars.Add 1.13, "1x12"
    rebars.Add 1.54, "1x14"
    rebars.Add 2.01, "1x16"
    rebars.Add 2.54, "1x18"
    rebars.Add 3.14, "1x20"
    rebars.Add 3.8, "1x22"
    rebars.Add 4.91, "1x25"
    rebars.Add 6.16, "1x28"
    rebars.Add 8.04, "1x32"
    rebars.Add 10.18, "1x36"
    rebars.Add 12.57, "1x40"

    ' 2 rebars
    rebars.Add 0.57, "2x6"
    rebars.Add 1.01, "2x8"
    rebars.Add 1.57, "2x10"
    rebars.Add 2.26, "2x12"
    rebars.Add 3.08, "2x14"
    rebars.Add 4.02, "2x16"
    rebars.Add 5.09, "2x18"
    rebars.Add 6.28, "2x20"
    rebars.Add 7.60, "2x22"
    rebars.Add 9.82, "2x25"
    rebars.Add 12.32, "2x28"
    rebars.Add 16.08, "2x32"
    rebars.Add 20.36, "2x36"
    rebars.Add 25.13, "2x40"
    
    ' 3 rebars
    rebars.Add 0.85, "3x6"
    rebars.Add 1.51, "3x8"
    rebars.Add 2.36, "3x10"
    rebars.Add 3.39, "3x12"
    rebars.Add 4.62, "3x14"
    rebars.Add 6.03, "3x16"
    rebars.Add 7.63, "3x18"
    rebars.Add 9.42, "3x20"
    rebars.Add 11.40, "3x22"
    rebars.Add 14.73, "3x25"
    rebars.Add 18.47, "3x28"
    rebars.Add 24.13, "3x32"
    rebars.Add 30.54, "3x36"
    rebars.Add 37.70, "3x40"     

    Dim result As Scripting.Dictionary
    Set result = New Scripting.Dictionary
    
    ' Find the smallest closest rebar size
    For Each smalest In rebars
        If smalest < crosssection And smalest > Fix(crosssection) Then
            result.Add smalest, rebars(smalest)
        End If
    Next smalest
    
    ' Find the closest rebar size
    For Each closestRebar In rebars
        If crosssection <= closestRebar And closestRebar < Round(crosssection + 2, 0) Then
            result.Add closestRebar, rebars(closestRebar)
        End If
    Next closestRebar
    
    ' Print the results
    If result.Count > 0 Then
        MsgBox "Rebar results:" & vbCrLf & Join(result.Items, vbCrLf)
    Else
        MsgBox "Rebars not available. Check input"
    End If
End Sub