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 vote332 views3 answers
Find the sum of all the multiples of 3 or 5 below 1000 python
Python
12 votes338 views1 answer
Rand
Python
1 vote315 views1 answer
Olst = [] a = int(input()) b = int(input()) for ele in range(a,b+1): if ele%2 != 0: olst.append(ele) print(olst[::-1])
Python
2 votes379 views2 answers
AttributeError: module 'django.contrib.auth.views' has no attribute 'login'
Python Django
5 votes376 views4 answers
Django get or 404
Python Django
0 vote300 views1 answer
Install easygui conda
Python
1 vote391 views1 answer
Django bulk update
Python Django
7 votes316 views6 answers
Python hello world
Python
0 vote342 views1 answer
How to extract data from telegram using python
Python
27 votes302 views3 answers
Replace error with nan pandas
Python