17 -Python program to demonstrate Button in tkinter and its event in easy way

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#bind event
from tkinter import *
root=Tk()
def hello(event):
    print("single click,Button-1")
def quit(event):
    print("double click,so lets stop")
    import sys;
    sys.exit()

widget=Button(root,text="Mouse clicks")
widget.pack()
widget.bind('<Button-1>',hello)
widget.bind('<Double-1>',quit)
root.mainloop()