func.py

import turtle
turtle.penup()
turtle.goto(-100,100)
turtle.pendown()
for i in range(4):
    turtle.forward(200)
    turtle.right(90)
turtle.penup()
turtle.home()
turtle.dot(20,"red")
turtle.penup()
turtle.goto(-40,0)
turtle.dot(20,"red")
turtle.penup()
turtle.goto(40,0)
turtle.dot(20,"red")
turtle.hideturtle()
turtle.done()