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

33 votes255 views3 answers
How to convert a byte array to string in python
Python
-1 vote196 views1 answer
Templates python
Python
2 votes207 views2 answers
Python beep windows
Python
0 vote218 views1 answer
Python yyyymmdd
Python
0 vote196 views2 answers
Quotation marks in string
Python
2 votes219 views2 answers
Gcd python
Python
0 vote253 views1 answer
Django create username and password from csv
Python Django
0 vote209 views1 answer
Django authenticate with email
Python
1 vote207 views1 answer
Django get model class from queryset
Python Django
2 votes205 views4 answers
How to do fibonacci sequence in python
Python