Tkinter SimpleDialog box module is used to receive values from the keyboard in a standard dialog box. It supports three types of values
Tkinter Messagebox is used to display information in a popup window. Some of the most common popup window and their functionality has been explained in this Tutorial.
First Tkinter Program have only the 3 line of code that generate your first application. This first Tkinter program explain the main working of Tkinter class and its major function.
Tkinter is the default Tk GUI library shipped with Python to generate a graphical user interface on all almost all the platform using Python. Though there are a few more python libraries exists that can help us to generate a simple GUI but Tkinter is the most popular one.