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import Tkinter as tk
from time import sleep
class ExampleApp(tk.Tk):
def __init__(self):
tk.Tk.__init__(self)
self.label = tk.Label(self, text="", width=10)
self.label.pack()
self.textchange()
def textchange(self):
self.label.configure(text="Hallo")
sleep( 2 )
self.label.configure(text="Welt")
if __name__ == "__main__":
app = ExampleApp()
app.mainloop()
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