# tk_putpixel.py

# tk_putpixel.py

from tkinter import *
from PIL import Image, ImageTk


ww = 200
hh = 200

b = 128
pixels = tuple([(r,g,b) for r in range(ww) for g in range(hh)])

root = Tk()

canvas = Canvas(root, width=ww, height=hh, background="black")
canvas.pack()

img = Image.new('RGB', (ww, hh))
img.putdata(pixels)
tk_img = ImageTk.PhotoImage(img)
canvas.create_image(0, 0, anchor=NW, image=tk_img)
root.mainloop()