have you ever heard about window-in-window? yep, tkinter doesnt have it. but i recreated it for tkinter
put guitk.py into your project directory or your local python's Lib directory
first of all you need to create an GUI by typing gui = guitk.GUI(root)
now you can create windows with mywindow1 = guitk.window(gui)
theres also some options for window like title, height, width