Let's look at the three lines of My First Window code. The first line is: from tkinter import * This imports the tkinter module. You have to import it if you want to use the widgets the module provides. How else would you use them if you did not tell your Python that you will be using it? So, you import it. This syntax which we used in our My First Window is the worst possible way to do it. from tkinter import * That works. It is short and sweet. Yet, it is horrible. I could explain why but once again I do not feel like reinventing. Read this and this to find out why it is such a bad idea to use that syntax. Building a blog is not only a great way to teach people but it really helps you learn what you are doing because every-time you are about to teach something you have all these possible questions readers might ask pop up into your head. Then, you search for the answers to learn to teach. You also make yourself a great future resource of what you learned in...