Tkinter change button text

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()

Source: stackoverflow.com

Similar codes

-1 vote281 views2 answers
Django forms error customize
Python
0 vote303 views1 answer
Root = tk.Tk() my_gui = App1(root)
Python
6 votes306 views3 answers
Django filter install
Python Django
0 vote280 views1 answer
Find occerences in list python
Python
0 vote277 views1 answer
Forbidden (CSRF token missing or incorrect.): /extension/stripe-pay/ WARNING 2021-06-01 13:45:22,532 log 408 140165573588736 Forbidden (CSRF token missing or incorrect.): /extension/stripe-pay/
Python
0 vote259 views1 answer
HOW AttributeError: module 'scipy.misc' has no attribute 'imread'
Python
23 votes280 views2 answers
How to check in which directory python in running
Python
135 votes296 views6 answers
Replace string
Python
111 votes270 views6 answers
Python while loop
Python
0 vote254 views1 answer
Python merge two lists alternating
Python