from turtle import *
tracer(0)
screensize = (1000,1000)
left(90)
k = 10
for i  in range(5):
    forward(30 * 10)
    right(90)
    forward(40 *k)
    right(90)
up()
forward(20*k)
right(90)
forward(5*k)
right(90)
down()
for i in range(7):
    forward(10 *k)
    right(90)
up()
for x in range (-50 , 50):
    for y in range (-50 , 50):
        goto(x*k , y*k)
        dot(4,'red')
    done()