from Tkinter import *

class SimpleCalc( Frame ):

    def __init__( self, master ):
        Frame.__init__( self, master )
        self.grid()
        self.create_widgets()

    def create_widgets( self ):

        # Create three buttons. Note how each one is setup slightly different.

        # Create the first button...
        self.bttn1 = Button( self, text = "Button #1", command = c_bttn)
        self.bttn1.grid()

        # Create the second button...
        self.bttn2 = Button( self,text= "Button #2")
        self.bttn2.grid_configure(column=1,row=0)

        # Create the third button...
        self.bttn3 = Button( self,text= "Button #3")
        self.bttn3.grid_configure(column=2,row=0)
        #self.bttn3["text"] = "Button #3"

        self.bttn4 = Button( self,text= "Button #4")
        self.bttn4.grid_configure(column=0,row=1)

        self.bttn5 = Button( self,text= "Button #5")
        self.bttn5.grid_configure(column=1,row=1)

        self.bttn6 = Button( self,text= "Button #6")
        self.bttn6.grid_configure(column=2,row=1)

        self.bttn7 = Button( self,text= "Button #7")
        self.bttn7.grid_configure(column=0,row=2)

        self.bttn8 = Button( self,text= "Button #8")
        self.bttn8.grid_configure(column=1,row=2)

        self.bttn9 = Button( self,text= "Button #9")
        self.bttn9.grid_configure(column=2,row=2)

        self.bttn0 = Button( self,text= "Button #0")
        self.bttn0.grid_configure(column=1,row=3)


        myLabel = Label( root, text = "0" )
        myLabel.grid()
        myText = Text(width=20,height=1)
        myText.grid()

def c_bttn():
    SimpleCalc.create_widgets.myText.insert(END, '1')




if __name__ == '__main__':

    root = Tk()
    root.title( "SimpleCalc" )
    root.geometry( "300x300" )
    myApp = SimpleCalc( root )
    root.mainloop()