from tkinter import *


w = Tk()
w.title("Тетрадка")
canv = Canvas(w, width=1200, height=600, bg="#ffefd6")
canv.pack()

canv.create_polygon(0, 0, 350, 150, 350, 450, 0, 600, width=3, fill="SlateBlue4", outline="SlateBlue4")
canv.create_polygon(0, 0, 350, 150, 850, 150, 1200, 0, width=3, fill="green4", outline="SlateBlue4")
canv.create_polygon(1200, 0, 850, 150, 850, 450, 1200, 600, width=3, fill="sky blue", outline="SlateBlue4")
canv.create_polygon(0, 600, 350, 450, 850, 450, 1200, 600, width=3, fill="MediumPurple1", outline="SlateBlue4")
canv.create_polygon(350, 150, 350, 450, 850, 450, 850, 150, width=3, fill="MediumPurple1", outline="SlateBlue4")

canv.create_polygon(1100, 110, 900, 180, 900, 380, 1100, 450, width=3, fill="white", outline="SlateBlue4")



w.mainloop()