Tkinter - Window Menu in Python

Tkinter also allows the gui to contain a menu. Here is simple example of this:

#import Tkinter
import tkinter

#example function to execute on selection
def functionExample():
    print ("Menu Item Selected")

#create a window
window = tkinter.Tk()

#Sets window title
window.title("Menu Example")

#Create a Label
lbl1 = tkinter.Label(window, text="   Try the menu   ")

#defines a menu item
menuname = tkinter.Menu(window)

#creates a menu group
menu_1 = tkinter.Menu(menuname, tearoff=0)

#Creates a menu item, with command
menu_1.add_command(label="Option 1", command = functionExample)
menu_1.add_command(label="Option 2", command = functionExample)
menu_1.add_command(label="Option 3", command = functionExample)
menu_1.add_command(label="Option 4", command = functionExample)
menu_1.add_command(label="Option 5", command = functionExample)
#Adds menu_1 to the menu bar with the heading Group 1
menuname.add_cascade(label="Group1", menu=menu_1)

menu_2 = tkinter.Menu(menuname, tearoff=0)
menu_2.add_command(label="Option 1", command = functionExample)
menu_2.add_command(label="Option 2", command = functionExample)
menu_2.add_command(label="Option 3", command = functionExample)
menu_2.add_command(label="Option 4", command = functionExample)
#Creates a line separator between items
menu_2.add_command(label="Option 5", command = functionExample)
menuname.add_cascade(label="Group2", menu=menu_2)

menu_3 = tkinter.Menu(menuname, tearoff=0)
menu_3.add_command(label="Option 1", command = functionExample)
menu_3.add_command(label="Option 2", command = functionExample)
menuname.add_cascade(label="Group3", menu=menu_3)

#add the menu to the window

#Loops the tkinter window

This creates this frame:

With the following menu:

When an item is selected it runs the set command function.
Menu Item Selected

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