如何在形状龟蟒里面画点？

Question

I am new with Turtle python library and I am trying to draw turtle dot inside the shape (square), which should look like on the picture below. The problem is that when I am trying to do this the shape covers the dot and I see only the shape (square).

enter image description here

My code:

def add_dot_square():
    obj = Turtle()
    obj.penup()
    obj.shape("square")
    obj.shapesize(1.5, 1.5)
    obj.color("orange")
    obj.goto(0, 0)
    obj.dot(20, "red")

Answer 1

Turtle's can't appear behind things they draw, only other turtles (and even that's tricky.) Instead of the turtle being the square, have the turtle draw or stamp the square, and then place the dot atop it:

from turtle import Screen, Turtle

def add_dot_square(obj):
    obj.penup()
    obj.shape('square')
    obj.shapesize(1.5)
    obj.color('orange')
    obj.goto(0, 0)

    obj.stamp()
    obj.dot(20, 'red')

screen = Screen()

turtle = Turtle()
turtle.hideturtle()

add_dot_square(turtle)

screen.exitonclick()

I still ha[v]ea problem when I want to for example move this square and dot

Let's rearrange the code a bit and add some motion:

from turtle import Screen, Turtle

def add_dot_square(obj):
    obj.clear()
    obj.stamp()
    obj.dot(20, 'red')

screen = Screen()
screen.tracer(False)

turtle = Turtle()
turtle.hideturtle()
turtle.shape('square')
turtle.shapesize(1.5)
turtle.color('orange')
turtle.penup()

for _ in range(360):
    turtle.circle(100, extent=1)
    add_dot_square(turtle)
    screen.update()

screen.exitonclick()