# date: 2019.04.09

#

import tkinter as tk

# --- functions ---

def get_text(text):

print(text)

def get_widget(widget):

print(widget["text"])

widget["text"] = "DONE"

widget["bg"] = "green"

def get_event(event):

print(event.widget["text"])

event.widget["text"] = "DONE"

event.widget["bg"] = "green"

# --- main ---

list_words = ("One", "Two", "Three")

root = tk.Tk()

# access button's text in function assigned to button

for word in list_words:

btn = tk.Button(root, text=word, command=lambda txt=word:get_text(txt))

btn.pack()

# access button in function assigned to button

for word in list_words:

btn = tk.Button(root, text=word)

btn["command"] = lambda widget=btn:get_widget(widget)

btn.pack()

# access button in function assigned to button

for word in list_words:

btn = tk.Button(root, text=word)

btn.bind('<Button-1>', get_event)

btn.pack()

root.mainloop()