tkinter window bg code example
Example 1: change background color of tkinter
root.configure(background='black')
Example 2: set background colour tkinter
window_name.configure(background='black')
Example 3: gui.configure(background="light green") in tkinter
gui.configure(background="light green")
Example 4: python tkinter change color of main window
new_window.config(bg = "red")