import turtle
import random

def draw_polygon(sides, length, x, y, color):
    turtle.penup()
    turtle.setposition(x,y)
    turtle.pendown()
    turtle.color(color)
    turtle.begin_fill()
    for i in range(sides):
        turtle.forward(length)
        turtle.left(360//sides)
    turtle.end_fill()
#end function draw_polygon()

#Disable rendering to speed up drawing
turtle.hideturtle()
turtle.tracer()

for i in range(10):
    sides = random.randrange(3,9)
    length = random.randrange(8, 40)
    x = random.randrange(-250, 251)
    y = random.randrange(-250, 251)
    color = random.choice(("cyan","coral","mediumblue","greenyellow","black","indigo","darkviolet"))
    draw_polygon(sides, length, x, y, color)
#end for

turtle.update() #render image
turtle.exitonclick()  #wait for mouse click