title: ModuleNotFoundError: No module named 'tkSimpleDialog' - Python Shell
body: <p>I'm trying to run this code which I got <a href="https://www.youtube.com/watch?v=mV5vZa9lkzc" rel="noreferrer">here</a>:</p>
  
  <pre><code>from tkinter import *
  
  import tkSimpleDialog
  
  import tkMessageBox
  
   root = Tk()
   w = Label(root, text= "My Program")
   w.pack()
  
   tkMessageBox.showinfo("Welcome", "Add welcome message here")
  </code></pre>
  
  <p>but <a href="https://i.stack.imgur.com/Yp1nh.png" rel="noreferrer">this</a>
   error occured:</p>
  
  <p>I already look here <a href="https://stackoverflow.com/questions/43728431/modulenotfounderror-no-module-named-x">ModuleNotFoundError: No module named x</a>, but I can't understand the answers. I'm still new about these stuff.</p>