from tkinter import *

root = Tk()
root.title("Python Text Editor // Now Supporting Fullscreen")
root.config(background="black")
root.wm_state("zoomed")

editor = Text(root)
editor.pack(fill=Y, expand=1)

editor.config(
    borderwidth=0,
    font="{Lucida Sans Typewriter} 12",
    foreground="lime",
    background="black",
    insertbackground="white", 
    selectforeground="green", 
    selectbackground="#008000",
    wrap=WORD, 
    width=64,
    undo=True, 
    )

editor.focus_set()

mainloop()