from tkinter import *


class Gui(object):
    def __init__(self):
        self.build_gui()

    def build_gui(self):
        lis = ['one', 'two', 'three']

        root = Tk()
        root.title('test')
        root.geometry('200x400')

        for i in lis:
            button = Button(root, text=i, command=lambda: self.delete(i))
            button.pack()

        root.mainloop()

    def delete(self, i):
        print(i)


app = Gui()