import turtle as t
def goto(x,y):
t.penup()
t.goto(x,y)
t.pendown()
def init():
t.setup(800,800)
t.pensize(10)
t.pencolor("red")
t.speed(14)
def jiexin():
m,n=0,200
for i in range(11):
goto(m,n)
t.seth(-45)
t.fd(200)
m-=20/pow(2,0.5)
n-=20/pow(2,0.5)
m,n=0,200
for j in range(11):
goto(m,n)
t.seth(-135)
t.fd(200)
m+=20/pow(2,0.5)
n-=20/pow(2,0.5)
def jiexiaoban():
m=-20/pow(2,0.5)
n=200-20/pow(2,0.5)
for k in range(4):
goto(m,n)
t.seth(135)
t.fd(20)
t.circle(10,180)
t.fd(20)
m-=40/pow(2,0.5)
n-=40/pow(2,0.5)
m=20/pow(2,0.5)
n=200-20/pow(2,0.5)
for k in range(4):
goto(m,n)
t.seth(45)
t.fd(20)
t.circle(-10,180)
t.fd(20)
m+=40/pow(2,0.5)
n-=40/pow(2,0.5)
m=20/pow(2,0.5)
n=200-200*pow(2,0.5)+20/pow(2,0.5)
for k in range(4):
goto(m,n)
t.seth(-45)
t.fd(20)
t.circle(10,180)
t.fd(20)
m+=40/pow(2,0.5)
n+=40/pow(2,0.5)
m=-20/pow(2,0.5)
n=200-200*pow(2,0.5)+20/pow(2,0.5)
for k in range(4):
goto(m,n)
t.seth(-135)
t.fd(20)
t.circle(-10,180)
t.fd(20)
m-=40/pow(2,0.5)
n+=40/pow(2,0.5)
def waiyuan():
goto(90*pow(2,0.5),200-110*pow(2,0.5))
t.seth(-45)
t.circle(20,270)
goto(-90*pow(2,0.5),200-110*pow(2,0.5))
t.seth(-135)
t.circle(-20,270)
goto(80*pow(2,0.5),200-120*pow(2,0.5))
t.seth(-45)
t.circle(40,270)
goto(-80*pow(2,0.5),200-120*pow(2,0.5))
t.seth(-135)
t.circle(-40,270)
def shengzi():
goto(0,200)
t.pensize(20)
t.seth(90)
t.fd(60)
goto(0,320)
t.pensize(12)
t.seth(180)
t.circle(30,360)
goto(0,200-200*pow(2,0.5))
t.pensize(40)
t.seth(-90)
t.fd(20)
t.pensize(2)
s=-20
for i in range(11):
goto(s,200-200*pow(2,0.5))
t.seth(-90)
t.fd(200)
s+=4
def hanzi():
goto(-150,325)
t.write("幸福中国结",font=("Arial",40,"normal"))
def main():
init()
jiexin()
jiexiaoban()
waiyuan()
shengzi()
hanzi()
t.hideturtle()
t.done()
main()
