Answer:
This worked for me, check the explanation
Explanation:
import simplegui
import random
x = random.randint(0, 1000)
def draw_handler(canvas):
for r in range (600, 600):
r = x
g = x
b = x
randRGBColor = "RGB(" + str(r) + ", " + str(g) + ", " + str(b) + ", " + ")"
frame = simplegui.create_frame('Testing', 600, 600)
frame.set_canvas_background("Black")
frame.set_draw_handler(draw_handler)
frame.start()