Python 3, Tkinter, How to update button text

Question

Im trying to make it so that when the user clicks a button, it becomes \"X\" or \"0\" (Depending on their team). How can I make it so that the text on the button is updated?

Answer 1

The Button widget, just like your Label, also has a textvariable= option. You can use StringVar.set() to update the Button. Minimal example:

import tkinter as tk

root = tk.Tk()

def update_btn_text():
    btn_text.set("b")

btn_text = tk.StringVar()
btn = tk.Button(root, textvariable=btn_text, command=update_btn_text)
btn_text.set("a")

btn.pack()

root.mainloop()