第一次作业。

#重叠三角形
import turtle
turtle.setup(800,600,400,400)
turtle.penup()
turtle.pencolor("black")
turtle.pensize(8)
turtle.pendown()
turtle.fd(160)
turtle.penup()
turtle.left(120)
turtle.pendown()
turtle.fd(160)
turtle.penup()
turtle.left(120)
turtle.pendown()
turtle.fd(160)
turtle.penup()
turtle.left(120)
turtle.penup()
turtle.fd(80)
turtle.left(60)
turtle.pendown()
turtle.fd(80)
turtle.left(120)
turtle.fd(80)
turtle.left(120)
turtle.fd(80)
#六角星
import  turtle

for i in range(6):
    turtle.forward(60)
    turtle.right(60)
    turtle.forward(60)
    turtle.left(120)
#五彩蟒蛇
import turtle
def drawsnake(rad,angle,len,neckrad):
    a = ['blue','red','yellow','green','pink']
    for i in range(0,len):
        turtle.pencolor(a[i])
        turtle.circle(rad,angle)
        turtle.circle(-rad,angle)
    turtle.pencolor('black')    
    turtle.circle(rad,angle/2)
    turtle.fd(rad)
    turtle.circle(neckrad+1,180)
    turtle.fd(rad*2/3)
def main():
    turtle.setup(1300,800,0,0)
    pythonsize = 30
    turtle.pensize(pythonsize)
    turtle.seth(-40)
    drawsnake(40,80,5,pythonsize/2)
main()