Hello,
I'm using the version 3.2.3 of Python and I am having an issue in my program
and I don't know how to fix it:
counterLabel["text"] = str(counter)
NameError: global name 'counterLabel' is not defined
Here is my program:
from tkinter import *
class CounterButton(Button):
def __init__(self, window):
super(CounterButton,self).__init__(window, text = "0",
command=self.startCounter)
def startCounter(self):
counter = int(self["text"])
counter +=1
counterLabel["text"] = str(counter)
window = Tk()
window.title("counter")
counterButton1 = CounterButton(window)
counterButton2 = CounterButton(window)
counterButton1.pack()
counterButton1.pack()
window.mainloop()
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