James Yang - 座標正方形

說明書：https://docs.python.org/3/

import turtle
# import 導入   turtle 一個名字叫烏龜的畫畫工具包
# 註釋 並不會運行
# forward 向前走  ：長度
turtle.forward(100)
# 左 left   右 right：角度
turtle.left(120)
turtle.forward(120)
# 擡筆 pen up
turtle.penup()
# 過去 goto()
turtle.goto(100, 100)
# 落筆
turtle.pendown()
turtle.forward(120)
# 圓 circle: 半徑
turtle.circle(120)


# do 做 過去完成時 done
turtle.done()


import turtle
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.penup()
turtle.goto(-30,-30)
turtle.pendown()
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)
turtle.left(90)
turtle.forward(100)