I can not set title of top level
I want to set title for TopLevel, but TopLevel shows title of Root. I think that my next script corresponds with examples from TkInter documentation, but gives me bad result. Cann You explain me, why my setting master.title = 'Top' in class AppTop does not set new title for TopLevel? import tkinter as tk class AppTop(tk.Frame): def __init__(self, master): mon_h = 900 mon_w = 1250 master.title = 'Top' tk.Frame.__init__(self, master) master.minsize(height = 900, width = 600) fr_button = tk.Frame(master) fr_button.place(relx=0.01, rely=0.06) butArrowPlus = tk.Button(fr_button, text=">", height =