Вопрос Что делае данный код (на питоне)

import turtle
turtle.shape("turtle")
turtle.up()
turtle.goto(-50,-50)
turtle.down()
turtle.fillcolor("red")
turtle.begin_fill()
turtle.forward(200)
turtle.left(90)
turtle.forward(200)
turtle.left(90)
turtle.forward(200)
turtle.left(90)
turtle.forward(200)
turtle.left(90)
turtle.end_fill()
turtle.up()
turtle.goto(50,-50)
turtle.fillcolor("green")
turtle.begin_fill()
turtle.circle(100)
turtle.end_fill()
turtle.up()
turtle.goto(0,0)
turtle.fillcolor("blue")
turtle.begin_fill()
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.end_fill()
turtle.up()
turtle.goto(50,0)
turtle.left(90)
turtle.fillcolor("yellow")
turtle.begin_fill()
turtle.circle(50)
turtle.end_fill()
turtle.up()
turtle.goto(50,100)
turtle.down()
turtle.fillcolor("orange")
turtle.begin_fill()
turtle.right(60)
turtle.forward(87)
turtle.right(120)
turtle.forward(87)
turtle.right(120)
turtle.forward(87)
turtle.end_fill()