x = print(5)

print("x:", x)

###

import tkinter

root = tkinter.Tk()
canvas = tkinter.Canvas(root, 
                        height=400, 
                        width=400)
canvas.configure(bd=0,
                 highlightthickness=0)
canvas.pack()

canvas.create_rectangle(50, 100, 150, 200, fill="green")

root.mainloop()