Music player

#Building a music player
import os
from tkinter.filedialog import askdirectory
import pygame
from tkinter import*


root = Tk()
root.minsize(450,500)

listofsongs = []

v = StringVar()
songlabel = Label(root,textvariable = v,width = 25)

index = 0

def nextsong(event):
    global index
    index += 1
    pygame.mixer.music.load(listofsongs[index])
    pygame.mixer.music.play()
    updatelabel()

def prevsong(event):
    global index
    index -= 1
    pygame.mixer.music.load(listofsongs[index])
    pygame.mixer.music.play()
    updatelabel()

def stopsong(event):
    pygame.mixer.music.stop()
    v.set(" ")
    #return songname

def updatelabel():
    global index
    global songname
    v.set(listofsongs[index])
    return songname

def directory_chooser():
    directory = askdirectory()
    os.chdir(directory)

    for files in os.listdir():
        if files.endswith(".mp3"):



            listofsongs.append(files)

    pygame.mixer.init()
    pygame.mixer.music.load(listofsongs[0])
    pygame.mixer.music.play()


directory_chooser()

label = Label(root,text="Audio Music Player")
label.pack

listbox = Listbox(root)
listbox.pack()

listofsongs.reverse()

for items in listofsongs:
    listbox.insert(0,items)

listofsongs.reverse()

nextbutton = Button(root,text = "Next Song")
nextbutton.pack()

previousbutton = Button(root,text = "Previos Song")
previousbutton.pack()

stopbutton = Button(root,text = "Stop Song")
stopbutton.pack()

nextbutton.bind("<Button-1>",nextsong)
previousbutton.bind("<Button-1>",prevsong)
stopbutton.bind("<Button-1>",stopsong)

songlabel.pack()


root.mainloop()