Tkinter.py

# using Tkinter GUI toolkit
import Tkinter

#GUI class
class simpleapp_tk(Tkinter.Tk):
    def __init__(self,parent):
        Tkinter.Tk.__init__(self,parent)
        self.parent = parent
        self.initialize()

    def initialize(self):
        self.grid()

        self.entryVariable = Tkinter.StringVar()
        self.entry = Tkinter.Entry(self,textvariable = self.entryVariable)
        self.entry.grid(column=0,row=0,sticky='EW')
        self.entry.bind("<Return>", self.OnPressEnter)
        self.entryVariable.set("Enter text here")
        
        button = Tkinter.Button(self, text= 'Click me !', command=self.OnButtonClick)
        button.grid(column=1, row = 0)

        self.labelVariable = Tkinter.StringVar()
        label = Tkinter.Label(self, textvariable= self.labelVariable, anchor="w", fg="white", bg="blue")

        label.grid(column=0, row= 1, columnspan=2, sticky='EW')

        self.grid_columnconfigure(0,weight=1)
        self.resizable(True,False)

    def OnButtonClick(self):
        self.labelVariable.set(self.entryVariable.get() + " You clicked the button !")

    def OnPressEnter(self,event):
        self.labelVariable.set(self.entryVariable.get()+ " You pressed enter !")
        
if __name__ == "__main__":
    app = simpleapp_tk(None)
    app.title('SpamBot')
    app.mainloop()



        

Basic GUI tutorial for Tkinter in python.