第一次作业

25题代码：import turtle
turtle.setup(700,500,200,200)
turtle.fd(150)
turtle.seth(120)
turtle.fd(150)
turtle.seth(-120)
turtle.fd(300)
turtle.seth(0)
turtle.fd(300)
turtle.seth(120)
turtle.fd(150)
turtle.seth(-120)
turtle.fd(150)
turtle.seth(120)
turtle.fd(150)
turtle.seth(0)


28题代码：
import turtle
turtle.setup(1000,600,300,300)
turtle.seth(90)
turtle.fd(180)
turtle.seth(0)
turtle.fd(180)
turtle.seth(-90)
turtle.fd(180)
turtle.seth(180)
turtle.fd(170)
turtle.seth(90)
turtle.fd(170)
turtle.seth(0)
turtle.fd(160)
turtle.seth(-90)
turtle.fd(160)
turtle.seth(180)
turtle.fd(150)


turtle.seth(90)
turtle.fd(150)
turtle.seth(0)
turtle.fd(140)
turtle.seth(-90)
turtle.fd(140)
turtle.seth(180)
turtle.fd(130)
turtle.seth(90)
turtle.fd(130)
turtle.seth(0)
turtle.fd(120)
turtle.seth(-90)
turtle.fd(120)
turtle.seth(180)
turtle.fd(110)


turtle.seth(90)
turtle.fd(110)
turtle.seth(0)
turtle.fd(100)
turtle.seth(-90)
turtle.fd(100)
turtle.seth(180)
turtle.fd(90)
turtle.seth(90)
turtle.fd(90)
turtle.seth(0)
turtle.fd(80)
turtle.seth(-90)
turtle.fd(80)
turtle.seth(180)
turtle.fd(70)


turtle.seth(90)
turtle.fd(70)
turtle.seth(0)
turtle.fd(60)
turtle.seth(-90)
turtle.fd(60)
turtle.seth(180)
turtle.fd(50)
turtle.seth(90)
turtle.fd(50)
turtle.seth(0)
turtle.fd(40)
turtle.seth(-90)
turtle.fd(40)
turtle.seth(180)
turtle.fd(30)


turtle.seth(90)
turtle.fd(30)
turtle.seth(0)
turtle.fd(20)
turtle.seth(-90)
turtle.fd(20)
turtle.seth(180)
turtle.fd(10)
turtle.seth(90)
turtle.fd(10)
turtle.seth(0)

29题代码：
import turtle
turtle.setup(700,600,200,200)
turtle.pensize(30)
turtle.pencolor("green")
turtle.penup()
turtle.fd(-250)
turtle.seth(-40)
turtle.pendown()
for i in range(4):
    turtle.circle(40,80)
    turtle.circle(-40,80) 
turtle.circle(40,40)
turtle.fd(40)
turtle.circle(40,180)
turtle.fd(80)