Why import duplicates from a module : <p>I am learning tkinter and noticed that people import multiple things sometimes. </p>

<pre><code>from tkinter import *
from tkinter import ttk
</code></pre>

<p>I was wondering why people do this for many modules, not just tkinter. I always thought that <code>import *</code> meant that you were importing everything from a module. So why do people import more items?</p>
