# Change window_name to the name of the window object, i.e. root
window_name.geometry("500x500")
# To ensure widgets resize:
widget_name.pack(fill="both", expand=True)# Where w is a widget:
w.winfo_height()
w.winfo_width() window = Tk() # or window = TopLevel()
# "350x150" == window size (350 pixels wide and 150 pixels high)
# "+220+80" == window position (220 pixels from the left screen margin and
# 80 pixels from the top screen margin
window.geometry("350x150+220+80")#import statement
from tkinter import *
#create GUI Tk() variable
gui = Tk()
#set window size
gui.geometry("widthxheight")