from Tkinter import *root = Tk('Simple Editor')mi=StringVar()Label(text='Please input something you like~' ).pack()te = Text(height = 30,width =100)te.pack()Label(text='      File name     ').pack(side = LEFT)Entry(textvariable = mi).pack(side = LEFT)mi.set('*.txt')def save():  t = te.get('0.0','10.0')  f = open(mi.get(),'w')  f.write(t)Button(text = 'Save' , command = save).pack(side = RIGHT)Button(text = 'Exit' , command = root.quit).pack(side = RIGHT)mainloop()