update example_005

example_005.py

@@ -0,0 +1,23 @@
+# example_005.py
+from tkinter import Tk, Menu
+
+def main():
+    root = Tk()
+
+    menu_bar = Menu(root)
+    root.config(menu=menu_bar)
+
+    file_menu = Menu(menu_bar, tearoff=0)
+    menu_bar.add_cascade(label="File", menu=file_menu)
+
+    file_menu.add_command(label="Open")
+    file_menu.add_separator()
+    file_menu.add_command(label="Exit", command=root.quit)
+
+    help_menu = Menu(menu_bar, tearoff=0)
+    menu_bar.add_cascade(label="Help", menu=help_menu)
+
+    root.mainloop()
+
+if __name__ == '__main__':
+    main()