استفاده از کلید در عمل

# importing tkinter modules
from tkinter import Tk,Button,Label

# inherianceing from Tk module and initializing the Tk class for creating object
class App(Tk):
    def __init__(self):
        Tk.__init__(self)
        self.title("icc-aria gui app")
        #making a label inside the window 
        Label(self,text="Push the button to see the action").pack()
        #making the button to do an action
        Button(self,text="Click Me!",command=self.btn_pushed).pack()

    #making a function for button clicked
    def btn_pushed(self):
        print("clicked")

# creating the object of app for tk main window
if __name__ == "__main__":
    app = App()
    app.mainloop()

# importing tkinter modules
from tkinter import Tk,Button,Label

# inherianceing from Tk module and initializing the Tk class for creating object
class App(Tk):
    def __init__(self):
        Tk.__init__(self)
        self.title("icc-aria gui app")
        self.counter = 0
        #making a button inside the window 
        self.btn = Button(self)
        #configuring the button
        self.btn.configure(text="Click Me",command=self.btn_pushed)
        #packing the button to insert in window
        self.btn.pack()

    #making a function for button clicked
    def btn_pushed(self):
        self.counter +=1
        self.btn.configure(text="Clicked Me {} time".format(self.counter))

# creating the object of app for tk main window
if __name__ == "__main__":
    app = App()
    app.mainloop()