ttknotebook.py

#!/usr/bin/python3

# this code works has been corrected as suggested by Bhaskar Chaudhary <bha100710@gmail.com>

from tkinter import *
from tkinter import ttk

if __name__ == '__main__':
    root=Tk()

    nb = ttk.Notebook()
    nb.pack(expand=YES, fill=BOTH )
    f1=Frame(width=200, height=200, bg="red")
    f2=Frame(width=200, height=200, bg="blue")
    f3=Frame(width=200, height=200, bg="green")

    nb.add(f1, text="red", padding=3)
    nb.add(f2, text="blue", padding=3)
    nb.add(f3, text="green", padding=3)

    tablst=nb.tabs()

    root.bind('<Alt-KeyPress-1>', lambda event: nb.select(tablst[0]))
    root.bind('<Alt-KeyPress-2>', lambda event: nb.select(tablst[1]))
    root.bind('<Alt-KeyPress-3>', lambda event: nb.select(tablst[2]))

    root.bind('<Key-Escape>', lambda event: quit())
    root.mainloop()