How to update values in tkinter

import tkinter as tk

win = tk.Tk()
max_amount = 0
label1 = None #just so it is defined

def fun():
    global max_amount, label1
    max_amount +=100
    label1.configure(text='Balance :$' + str(max_amount))

btn = tk.Button(win,text = 'Change', command = fun)
btn.grid()
t1 =str(max_amount)
label1 = tk.Label(win,text = 'Balance :$' + t1)
label1.grid()

win.mainloop()

Source: stackoverflow.com

Similar codes

1 vote249 views1 answer
Python get current number of threads
Python
57 votes314 views6 answers
How to make a class in python
Python
4 votes284 views1 answer
Python django shell command
Python Django
1 vote190 views1 answer
Get content of one column in pandas
Python
6 votes212 views1 answer
How to download file from python
Python
19 votes232 views4 answers
How to create an auto clicker in python
Python
0 vote205 views1 answer
Django trigger when an instance od data is deleted from model
Python
0 vote219 views1 answer
Show percentage in seaborn countplot site:stackoverflow.com
Python
0 vote186 views1 answer
How to get the name of an object in python
Python
0 vote196 views1 answer
Find the first occurrence of item in a list in python
Python