1. from tkinter import Tk, scrolledtext, Menu, filedialog, END
2.  
3. # Root for main window
4. root = Tk(className = " New M@ Window")
5. textArea = scrolledtext.ScrolledText(root, width=80, height=100)
6. textArea.pack()
7.  
8. #
9. # FUNCTIONS
10. #
11.  
12. def openFile():
13.     file = filedialog.askopenfile(parent = root, mode = 'rb', title = "Select a file")
14.  
15.     if file != None:
16.         contents = file.read()
17.         textArea.insert('1.0', contents)
18.         file.close()
19.  
20. def saveFile():
21.     file = filedialog.asksaveasfile(mode = 'w')
22.  
23.     if file is not None:
24.         # Slice off the last character from get, as an extra return (enter) is added
25.         data = textArea.get('1.0', END + '-1c')
26.         file.write(data)
27.         file.close()
28.  
29. # Menu options
30. menu = Menu(root)
31. root.config(menu = menu)
32. fileMenu = Menu(menu)
33. menu.add_cascade(label = "File", menu = fileMenu)
34. fileMenu.add_command(label = "New")
35. fileMenu.add_command(label = "Open", command = openFile)
36. fileMenu.add_command(label = "Save")
37. fileMenu.add_command(label = "Print")
38. fileMenu.add_separator()
39. fileMenu.add_command(label = "Exit")
40.  
41. helpMenu = Menu(menu)
42. menu.add_cascade(label = "Help")
43. menu.add_cascade(label = "About")
44.  
45. # Keep window open
46. root.mainloop()