Python-сообщество

 self.btnOk.bind('<Button-1>', lambda event: self.insert_data(self.entryDescription.get(),
                                                                     self.combobox.get(),
                                                                     self.entryMoney.get()))

 #
        self.btnOk.bind('<Button-1>', self.insert_data)
        self.slave.grab_set()
        self.slave.focus_set()
        self.slave.wait_window()
def insert_data(self, event):
        print(self.entryDescription.get())
        c.execute('''INSERT INTO finance(description, costs, sum) VALUES (?, ?, ?)''', (description, costs, total))
        conn.commit()
        '''conn.close()'''
        # call main.add_data
        self.main.add_data((description, costs, total))
        self.slave.destroy()

 #
import tkinter
#
class MyWidget(tkinter.Frame):
    def __init__(self, root, *attr, **kwargs):
        super().__init__(self, root, *attr, **kwargs)
        self.init_widget()
    def init_widget(self):
        button_ops = tkinter.Button(self, text="ops")
        button_ops.pack()
        button_ops.bind("<Button-1>", self.callback)
        button_ups = tkinter.Button(self, text="ups")
        button_ups.pack()
        button_ups.bind("<Button-1>", self.callback)
   def callback(self, event):
        print("button:", event.widget["text"])
#
if __name__ == "__main__":
    root = tkinter.Tk()
    my_widget = MyWidget(root)
    my_widget.pack()
    root.mainloop()

 from tkinter import *
from tkinter import ttk