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 vote317 views1 answer
Python /n
Python
11 votes255 views6 answers
If statements python
Python
4 votes266 views3 answers
Python activate environment linux
Python
0 vote257 views1 answer
How to change the size of datapoint in plot python
Python
56 votes325 views2 answers
Convert date string to date time string python
Python
0 vote269 views1 answer
Pass arguments with apply
Python
0 vote275 views1 answer
How to duplicate a row in python
Python
0 vote299 views1 answer
How to use with statementin python 2.4
Python
76 votes267 views6 answers
Select a random element from a list python
Python
0 vote300 views2 answers
Python split word into letter pairs
Python