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proc
/
self
/
root
/
proc
/
self
/
root
/
usr
/
lib64
/
python2.7
/
Demo
/
tkinter
/
guido
/
Filename :
hello.py
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# Display hello, world in a button; clicking it quits the program import sys from Tkinter import * def main(): root = Tk() button = Button(root) button['text'] = 'Hello, world' button['command'] = quit_callback # See below button.pack() root.mainloop() def quit_callback(): sys.exit(0) main()