Tkinter( button )

from Tkinter import *
import os

class GUI:

      def __init__(self, master, dir_path):

          frame = Frame(master)
          frame.pack()

          self.label2 = Label(frame, text="Files in your current Directory", background="blue",foreground="white")
          self.label2.pack(fill=BOTH, expand=1)

          self.scrollbar = Scrollbar(frame, orient=VERTICAL)
          self.list = Listbox(frame, yscrollcommand=self.scrollbar.set, background="black", foreground="white")

          self.scrollbar.config(command=self.list.yview)
          self.scrollbar.pack(side=RIGHT, fill=Y)


          for i in range(0,len(dir_path)):

              self.list.insert(END, str(dir_path[i]))
              self.list.pack(side=LEFT, fill=BOTH, expand=1)
              
          self.Creat_buttons(frame)

      def Creat_buttons(self,root):

          self.button = Button(root, text="Quit", command=root.quit)
          self.button.pack(side=RIGHT, expand=1)



root = Tk( )
dir_data = os.listdir(os.curdir)
send_var = GUI(root, dir_data)
root.mainloop( )

      def Creat_buttons(self, root): 

          self.button = Button(root, text = "Quit", command = root.quit)
          self.button.pack(side = RIGHT, expand = 1)