gistfile1.py

import wx
class Frame(wx.Frame):
    def __init__(self):
        wx.Frame.__init__(self,None,-1, "Hello World", size = ( 400,400))
        self.Bind(wx.EVT_LEFT_DOWN, lambda evt: wx.StaticText(self, -1, "inside", evt.GetPosition()))
      
if __name__ == "__main__":
    app = wx.PySimpleApp()
    Frame().Show()
    app.MainLoop()