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

10 votes127 views6 answers
Range function in python
Python
4 votes141 views1 answer
Python read dictionary from file
Python
8 votes137 views2 answers
Python iterate list reverse
Python
0 vote120 views1 answer
Ignore bad lines pandas
Python
2 votes132 views1 answer
Kaggle vs colab
Python
0 vote123 views1 answer
Python drop all variable that start with the same name
Python
0 vote135 views1 answer
Python print function arguments
Python
2 votes137 views1 answer
Ascii values in python of
Python
1 vote126 views1 answer
How to find second maximum element of an array python
Python
62 votes133 views6 answers
Python for loop with index
Python