wxPython - Destroy button widget using Destroy() function

import wx class Example(wx.Frame):  def __init__(self, *args, **kwargs):  super(Example, self).__init__(*args, **kwargs)  self.InitUI()  def InitUI(self):  self.locale = wx.Locale(wx.LANGUAGE_ENGLISH)  # create parent panel  self.pnl = wx.Panel(self)    # create a button at point (20, 50)  self.btn1 = wx.Button(self.pnl, id = 1, label ="Remove Text", pos =(20, 50))  # create button to destroy  self.btn0 = wx.Button(self.pnl, id = 1, label ="Click button to remove", pos =(20, 20))  # bind Onclick() function with button  self.btn1.Bind(wx.EVT_BUTTON, self.Onclick)  self.SetSize((350, 250))  self.SetTitle('wx.Button')  self.Centre()  def Onclick(self, e):  # destroy btn0 button  self.btn0.Destroy() def main():  app = wx.App()  ex = Example(None)  ex.Show()  app.MainLoop() if __name__ == '__main__':  main()