title: Tkinter - How to add additional check box?
body: <p>I am trying to create a checklist with another additional checkbox.</p>
  
  <p>Here is what I have:</p>
  
  <pre><code>var12 = IntVar()
  
  self.Checkbox = Checkbutton(right_frame, text="Address &amp; contact details correct", variable=var12)
  self.Checkbox.grid(column = 1, row = 12, sticky = W)
  </code></pre>
  
  <p><strong>Output:</strong></p>
  
  <p><a href="https://i.stack.imgur.com/u0Nye.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/u0Nye.jpg" alt="enter image description here"></a></p>
  
  <p>Here's what I am trying to do:</p>
  
  <p><a href="https://i.stack.imgur.com/a11JF.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/a11JF.jpg" alt="enter image description here"></a></p>
  
  <p>How do I add another checkbox? And link it to the same <code>var12</code>?</p>