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graphical interface elements

Now that you know about window manager properties and how
to capture them, write the code for the shutdown() function:

Here's the code so far.

from tkinter import *
import pygame.mixer

app = Tk()
app.title("Head First Mix")
app.geometry('250x100+200+100')

sound_file = "50459_M_RED_Nephlimizer.wav"

mixer = pygame.mixer
mixer.init()

def track_start():
track.play(loops = -1)

def track_stop():
track.stop()
Put the
“shutdown”
function here.

track = mixer.Sound(sound_file)

start_button = Button(app, command = track_start, text = "Start")
start_button.pack(side = LEFT)
stop_button = Button(app, command = track_stop, text = "Stop")
stop_button.pack(side = RIGHT)
What needs
to go here?

app.mainloop()

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