Imports System
Public Module Module1
Public Function insert_spaces(s As String) As String
For i As Integer = 1 To s.Length + 1
If (s(i) >= "A" And s(i) <= "Z") Then
s = s.Insert(i, " ")
i += 1
End If
Next
return s
End Function
Public Sub Main()
Dim s as String = "PythonJavaF#C++C#"
s = insert_spaces(s)
Console.WriteLine(s)
End Sub
End Module
' run:
'
' Python Java F# C++ C#
'