title: Python 3.x tkinter - can't get checkbox' variable value
body: <p>Please help! As it says in the title - I can't get checkbox' variable value.  </p>
  
  <pre><code>   def init_widgets(self):
     ttk.Button(self.root, command=self.insert_txt, text='Button', width='10').place(x=10, y=10)
     ...
     cbcc = ttk.Checkbutton(root, text="Damage", onvalue="on", offvalue='off').place(x=235, y=12) 
      ...
  
      def insert_txt(self):
      ...
      cbcd = StringVar()
      cbcd.get()
      print(cbcd)            
  
      if cbcd == "on":
         self.damage
      else:
  </code></pre>
  
  <p>Print delivers "PY_VAR2" and counting up from there with every time I click (PY_VAR3, etc.)</p>