Dim T As Integer
Dim A, B, C, D, F As String
Sub Main()
T = 0
For T As Integer = 0 To 10
Exit For
Next
If T >= 90 Then
Console.WriteLine("A")
ElseIf T >= 80 Then
Console.WriteLine("B")
ElseIf T >= 70 Then
Console.WriteLine("C")
ElseIf T >= 60 Then
Console.WriteLine("D")
ElseIf T >= 0 And T <= 59 Then
Console.WriteLine("F")
End If
Console.ReadLine()
End Sub
ارجو المساعده