GUICtrlCreateLabel

[DarkBoost]

I have created a very basic GUI with a button which displays a different label based on the user input however I am unsure how to clear the existing data when new data is to be displayed (see attachment). Any assistance would be greatly appreciated, thanks

#include <GUIConstantsEx.au3>

GUICreate("example", 200, 100)
GUICtrlCreateLabel("Type => 1 or 2 <= for message", 10, 10)
GUICtrlSetBkColor(-1, $GUI_BKCOLOR_TRANSPARENT)
$input = GUICtrlCreateInput("", 115, 71, 30, 20)
$button = GUICtrlCreateButton("GO", 150, 70, 40, 22)

GUISetState(@SW_SHOW)
While 1
    $msg = GUIGetMsg()
    Switch $msg
        Case $button
            If GUICtrlRead($input) = "1" Then
                GUICtrlCreateLabel("1. Hello World", 10, 50)
                GUICtrlSetBkColor(-1, $GUI_BKCOLOR_TRANSPARENT)
            ElseIf GUICtrlRead($input) = "2" Then
                GUICtrlCreateLabel("2. Goodbye World", 10, 50)
                GUICtrlSetBkColor(-1, $GUI_BKCOLOR_TRANSPARENT) 
            EndIf
            
        Case $GUI_EVENT_CLOSE
        Exit
    EndSwitch
WEnd

[Zedna]

#include <GUIConstantsEx.au3>

GUICreate("example", 200, 100)
GUICtrlCreateLabel("Type => 1 or 2 <= for message", 10, 10)
GUICtrlSetBkColor(-1, $GUI_BKCOLOR_TRANSPARENT)
$input = GUICtrlCreateInput("", 115, 71, 30, 20)
$button = GUICtrlCreateButton("GO", 150, 70, 40, 22)
$label = GUICtrlCreateLabel("", 10, 50, 150, 20)
GUICtrlSetBkColor(-1, $GUI_BKCOLOR_TRANSPARENT) 
   GUISetState(@SW_SHOW)

While 1
    $msg = GUIGetMsg()
    Switch $msg
        Case $button
            $what = GUICtrlRead($input)
            If $what = "1" Then
                GUICtrlSetData($label, "1. Hello World")
            ElseIf $what = "2" Then
                GUICtrlSetData($label, "2. Goodbye World")
            EndIf
                    Case $GUI_EVENT_CLOSE
            Exit
    EndSwitch
WEnd

[DarkBoost]

Ah of course, thanks for your assistance Zedna