w = TopLevel(master, option=value)
from tkinter import *
root = Tk()
l1 = Label(root, text="Main Window Label")
l1.pack()
top = Toplevel()
l2 = Label(top, text="Toplevel Window Label")
l2.pack()
top.mainloop()
root.mainloop()
from tkinter import *
master = Tk()
master.title('softhunt.net')
top = Toplevel()
top.title('Tkinter Python')
top.mainloop()