import wx

app = wx.PySimpleApp()
frame = wx.Frame(None, title="Events")

def quit_function(event):
    wx.MessageBox("Quitting.")
    frame.Destroy()

frame.Bind(wx.EVT_CLOSE, quit_function)


def press_button_function(event):
    sizer.Add(wx.StaticText(frame, -1, label=text.GetValue()))
    sizer.Layout()
    
sizer = wx.BoxSizer(wx.VERTICAL)
text = wx.TextCtrl(frame, -1, "Enter text here")
button = wx.Button(frame, -1, "OK")
button.Bind(wx.EVT_BUTTON, press_button_function)

sizer.Add(text)
sizer.Add(button)

frame.SetSizer(sizer)
frame.Show()
app.MainLoop()