old_contents: import tkinter as tk
  import tk_tools
  
  
  root = tk.Tk()
  
  # create the key-value with a title
  kve0 = tk_tools.KeyValueEntry(
      root,
      title='Key/Value 0',
      keys=['Buckets', 'Dollars', 'Hens'],
      unit_labels=['buckets', 'dollars', 'hens'],
  )
  kve0.grid(row=0)
  
  # create another key-value set without a title and with no units
  kve1 = tk_tools.KeyValueEntry(
      root,
      keys=['Baskets', 'Cows']
  )
  kve1.grid(row=1)
  
  # create a key-value with some entries disabled, then load values into each
  kve2 = tk_tools.KeyValueEntry(
      root,
      title='Static Key Value',
      keys=['Buckets', 'Dollars', 'Hens'],
      unit_labels=['buckets', 'dollars', 'hens'],
      enables=[False, False, True]
  )
  kve2.grid(row=2)
  kve2.load({'Buckets': 'x', 'Dollars': 'y', 'Hens': 'z'})
  
  
  def get_values():
      print('kve0: {}'.format(kve0.get()))
      print('kve1: {}'.format(kve1.get()))
      print('kve2: {}'.format(kve2.get()))
  
  
  get_values_btn = tk.Button(root, text='Retrieve Values', command=get_values)
  get_values_btn.grid(row=3)
  
  root.mainloop()
  
new_contents: import tkinter as tk
  import tk_tools
  
  
  def get_values():
      print('kve0: {}'.format(kve0.get()))
      print('kve1: {}'.format(kve1.get()))
      print('kve2: {}'.format(kve2.get()))
  
  
  if __name__ == '__main__':
  
      root = tk.Tk()
  
      # create the key-value with a title
      kve0 = tk_tools.KeyValueEntry(
          root,
          title='Key/Value 0',
          keys=['Buckets', 'Dollars', 'Hens'],
          unit_labels=['buckets', 'dollars', 'hens'],
      )
      kve0.grid(row=0)
  
      # create another key-value set without a title and with no units
      kve1 = tk_tools.KeyValueEntry(
          root,
          keys=['Baskets', 'Cows']
      )
      kve1.grid(row=1)
  
      # create a key-value with some entries disabled, then load values into each
      kve2 = tk_tools.KeyValueEntry(
          root,
          title='Static Key Value',
          keys=['Buckets', 'Dollars', 'Hens'],
          unit_labels=['buckets', 'dollars', 'hens'],
          enables=[False, False, True]
      )
      kve2.grid(row=2)
      kve2.load({'Buckets': 'x', 'Dollars': 'y', 'Hens': 'z'})
  
      get_values_btn = tk.Button(root, text='Retrieve Values', command=get_values)
      get_values_btn.grid(row=3)
  
      root.mainloop()
  
subject: add if __name__ == '__main__':