import wx

class Form1(wx.Panel):
    def __init__(self, parent, id):
        wx.Panel.__init__(self, parent, id)

        self.button =wx.Button(self, 10, "MULTIPLICA", wx.Point(20,10))
        wx.EVT_BUTTON(self, 10, self.OnClick)

        self.button =wx.Button(self, 20, "SOMA", wx.Point(20,100))
        wx.EVT_BUTTON(self, 20, self.OnClick)

    def OnClick(self, event):

        if event.GetId()==10: #Run import
            a = 10
            b = 20
            print a*b

        if event.GetId()==20: #Run import
            a = 10
            b = 20
            print a+b



if __name__ == "__main__":

    app = wx.PySimpleApp()
    frame = wx.Frame(None, -1, "test GUI", pos=(0,0), size=(200,200))
    Form1(frame,-1)
    frame.Show(1)

    app.MainLoop()