1단계. 정사각형 그리기 from turtle import Turtle, Screen ninja = Turtle() for i in range(4): ninja.forward(100) ninja.right(90) screen = Screen() screen.screensize(500, 500) screen.exitonclick() 2단계. 점선 그리기 from turtle import Turtle, Screen ninja = Turtle() for i in range(5): ninja.forward(10) ninja.penup() ninja.forward(10) ninja.pendown() screen = Screen() screen.screensize(500, 500) screen.exitonclick..