def __init__(self, root, values=[], combo_placement=(0, 0), button_placement=(0, 0), label_placement=(0, 0)):
    self.frame = root
    self.combobox = ttk.Combobox(self.frame, values=values)
    self.combobox.bind('<<>ComboboxSelected>')
    self.combobox.grid(row=combo_placement[0], column=combo_placement[1])
    self.label = ttk.Label(self.frame, textvariable=self.combobox.get())
    self.label.grid(row=label_placement[0], column=label_placement[1])
    self.button = ttk.Button(self.frame, text='Add', command=self.update_popup)
    self.button.grid(row=button_placement[0], column=button_placement[1])
def __init__(self, root, values=[], combo_placement=(0, 0), button_placement=(0, 0), label_placement=(0, 0)):
    self.frame = root
    self.combobox = ttk.Combobox(self.frame, values=values)
    self.combobox.bind('<<>ComboboxSelected>')
    self.combobox.grid(row=combo_placement[0], column=combo_placement[1])
    self.label = ttk.Label(self.frame, textvariable=self.combobox.get())
    self.label.grid(row=label_placement[0], column=label_placement[1])
    self.button = ttk.Button(self.frame, text='Add', command=self.update_popup)
    self.button.grid(row=button_placement[0], column=button_placement[1])