Page 221 - Programming With Python 3

An Introduction to STEM Programming with Python — 2019-09-03a Page 208
Chapter 20 — Using Tkinter to Make Screens

23|
24| lblN2 = tkinter.Label(app)
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25| lblN2['text'] = "Number2:"
26| lblN2.grid(row=1, column=0)
27| txtN2 = tkinter.Entry(app)
28| txtN2.grid(row=1, column=1)
29|
30| btnAdd = tkinter.Button(app, text="+")
eBook
31| btnAdd.grid(row=2, column=1)
32| btnAdd['command'] = doAdd
33|
34| lblAns = tkinter.Label(app, text="Answer:")
35| lblAns.grid(row=3, column=0)
36| lblAnsNumber = tkinter.Label(app)
Edition
37| lblAnsNumber.grid(row=3, column=1)
38|
39| app.update()
40| app.mainloop()
41| app.destroy()

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Message Boxes

http://syw2l.org

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tkinter.messagebox Module
The messagebox module, within tkinter, contains a group of dialogs to display
messages, warnings, and errors. The messagebox module also includes dialogs to
ask simple questions.

Statement
import tkinter.messagebox eBook
Tell your Python program that it will be using the tkinter message box
module.

https://docs.python.org/3/library/tkinter.html#module-tkinter
Edition

tkinter.messagebox.showinfo(title, message)

Copyright 2019 — James M. Reneau Ph.D. — http://www.syw2l.org — This work is licensed
under a Creative Commons Attribution-ShareAlike 4.0 International License.