Python tkinter- Screen1 appear on top or bottom screen 2

Python code:

Page1.py:

import tkinter as tk

import os

root = tk.Tk()

root.attributes('-type', 'dock')

root.title('top')

#root.attributes('-type', 'splash')

root.geometry('200x200+100+100')

def open():

  os.system('python3 top2')

  

a=tk.Button(root,text="open screen 2",command=open)

a.pack()

root.mainloop()

Page2.py:

import tkinter as tk

root = tk.Tk()

root.title('top2')

root.geometry('200x200+150+150')

root.mainloop()

Screen 2 appear on top screen 1(dock):

Screen 2 appear on bottom screen 1(splash):

Video: