#!/usr/bin/env python
import tkinter as T

class BtnFrame(T.Frame):
    def __init__(self, master, index, *args, **kwargs):
        self.index = index
        super().__init__(master, *args, **kwargs)
        self.btn = T.Button(self, text=f'Name_{index}', command=self.onclick)
        self.btn.pack(side=T.TOP)

    def onclick(self, event=None):
        print('%s called on %s'%(event, self.index))


class MainWin(T.Tk):
    def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.btns = [BtnFrame(self, i, *args, **kwargs) for i in range(5)]
        for btn in self.btns:
            btn.pack(side=T.TOP)
        self.btnExit = T.Button(self, text='Exit', command=self.destroy)
        self.btnExit.pack(side=T.BOTTOM)


if __name__ == '__main__':
    MainWin().mainloop()