圣诞树（python）又是摆烂的一天，进制转化好难啊哎

import turtle
turtle.speed(10)
turtle.setup(1500,900,0,0)
turtle.screensize(500,600)
turtle.hideturtle()
#turtle.shape("turtle")
turtle.pencolor("black")
"""turtle.left(90)
turtle.forward(400)
turtle.back(800)
turtle.home()"""
turtle.penup()
turtle.goto(0,300)
turtle.pendown()

turtle.fillcolor("green")
turtle.begin_fill()
#起始
turtle.right(90)
turtle.left(40)
turtle.forward(100)
turtle.right(130)
turtle.forward(0.64278761*100)

turtle.back(20)
#2
turtle.left(140)
turtle.forward(150)
turtle.right(140)
turtle.forward(0.766044443*150+20)

turtle.back(20)
#3
turtle.left(145)
turtle.forward(200)
turtle.right(145)
turtle.forward(0.819152044*200+20)

turtle.back(20)
#4
turtle.left(150)
turtle.forward(250)
turtle.right(150)
turtle.forward(0.866025404*250+20)

turtle.penup()
turtle.home()
turtle.goto(0,300)
turtle.pendown()
#左
turtle.right(90)
turtle.right(40)
turtle.forward(100)
turtle.left(130)
turtle.forward(0.64278761*100)

turtle.back(20)
#2
turtle.right(140)
turtle.forward(150)
turtle.left(140)
turtle.forward(0.766044443*150+20)

turtle.back(20)
#3
turtle.right(145)
turtle.forward(200)
turtle.left(145)
turtle.forward(0.819152044*200+20)

turtle.back(20)
#4
turtle.right(150)
turtle.forward(250)
turtle.left(150)
turtle.forward(0.866025404*250+20)
turtle.end_fill()


#树干
turtle.fillcolor("brown")
turtle.begin_fill()
turtle.left(180)
turtle.forward(20)
turtle.right(90)
turtle.goto(-20,-300)
turtle.right(90)
turtle.forward(40)
turtle.left(90)
turtle.forward(187)
turtle.left(90)
turtle.forward(20)
turtle.end_fill()

turtle.penup()
turtle.goto(-20,315)
turtle.right(180)
turtle.pendown()
#小星星
turtle.pencolor('white')
turtle.fillcolor("yellow")
turtle.begin_fill()
for i in range(5):
    turtle.forward(40)
    turtle.right(180-36)
turtle.end_fill()

turtle.done()