class Window(width=None, height=None, caption=None, resizable=False, style=None, fullscreen=False, visible=True, vsync=True, display=None, screen=None, config=None, context=None, mode=Non[/code]

 import pyglet
help (pyglet)

 Help on package pyglet:
NAME
    pyglet - pyglet is a cross-platform games and multimedia package.
DESCRIPTION
    Detailed documentation is available at http://www.pyglet.org
PACKAGE CONTENTS
    app (package)
    canvas (package)
    clock
    com
    compat
    debug
    event
    extlibs (package)
    font (package)
    gl (package)
    graphics (package)
    image (package)
    info
    input (package)
    lib
    libs (package)
    media (package)
    model (package)
    resource
    sprite
    text (package)
    window (package)
DATA
    absolute_import = _Feature((2, 5, 0, 'alpha', 1), (3, 0, 0, 'alpha', 0...
    app = <pyglet._ModuleProxy object>
    canvas = <pyglet._ModuleProxy object>
    clock = <pyglet._ModuleProxy object>
    com = <pyglet._ModuleProxy object>
    compat_platform = 'win32'
    event = <pyglet._ModuleProxy object>
    font = <pyglet._ModuleProxy object>
    gl = <pyglet._ModuleProxy object>
    graphics = <pyglet._ModuleProxy object>
    image = <pyglet._ModuleProxy object>
    input = <pyglet._ModuleProxy object>
    lib = <pyglet._ModuleProxy object>
    media = <pyglet._ModuleProxy object>
    model = <pyglet._ModuleProxy object>
    options = {'audio': ('directsound', 'openal', 'pulse', 'silent'), 'dar...
    print_function = _Feature((2, 6, 0, 'alpha', 2), (3, 0, 0, 'alpha', 0)...
    resource = <pyglet._ModuleProxy object>
    sprite = <pyglet._ModuleProxy object>
    text = <pyglet._ModuleProxy object>
    version = '1.4.9'
    window = <pyglet._ModuleProxy object>
FILE
    c:\python34\lib\site-packages\pyglet\__init__.py

 object has no attribute

 from tkinter import *
root = Tk()
root.title("Hello World!")
root.geometry('300x40')
def button_clicked():
    print("Hello World!")
def close():
    root.destroy()
    root.quit()
button = Button(root, text="Press Me", command=button_clicked)
button.pack(fill=BOTH)
root.protocol('WM_DELETE_WINDOW', close)
root.mainloop()