python3-绘制图形

#绘制蟒蛇
turtle.penup()  # 抬起笔turtle.fd(-250)#向前方运行#bk()反方向turtle.pendown()  # 落下笔turtle.pensize(25)  # 画笔线条宽度turtle.pencolor("purple")  # 画笔颜色turtle.seth(-40)#只改变当前行进方向，但不行进for i in range(4):turtle.circle(40,80) # 曲线运行，半径为40，旋转角度80turtle.circle(-40,80)turtle.circle(40,80/2)turtle.fd(40)turtle.circle(16,180)turtle.fd(40*2/3)turtle.done()#绘制矩形
import turtle as t
t.pensize(2)
for i in range(4):t.fd(150)t.left(90)
t.done()# 绘制六边形
import turtle as t
t.pensize(5)
t.pencolor("red")
for i in range(6):t.fd(150)t.left(60)
t.done()import turtle as t
t.pensize(2)
for i in range(4):t.seth(90*i)t.fd(150)t.right(90)t.circle(-150, 45)t.goto(0,0)# 指定坐标