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

23 votes141 views3 answers
Django drf
Python
1 vote143 views1 answer
Only include top ten items django for loop
Python
0 vote136 views1 answer
Choice without replacement python
Python
6 votes141 views1 answer
How to simulate a key press in python
Python
0 vote140 views1 answer
Mongodb in python
Python
7 votes164 views3 answers
Python how to create dict from dataframe based on 2 columns
Python
0 vote152 views1 answer
Pyqt button hover color
Python
1 vote137 views1 answer
Pyspark new column
Python
0 vote130 views1 answer
Zscore python
Python
-1 vote133 views2 answers
Hierarchical clustering Agglomerative
Python