turtle -- 별

import turtle as tur
import math as mt
def main():
    s = mt.sqrt(3)
    t = tur.Pen()
    for i in range(3):
        t.forward(150)
        t.left(120)
    t.penup()
    t.left(90)
    t.forward(s*50)
    t.right(90)
    t.pendown()
    for i in range(3):
        t.forward(150)
        t.right(120)
    tur.exitonclick()
if __name__ == "__main__":
    main()

다른 알고리즘

import turtle as tur

def main():
    MyPen = tur.Pen() # 객체 생성
    MyPen.speed(1)
    MyPen.shape(name="turtle")
    MyPen.pensize(3)

    for i in range(11):
        MyPen.forward(60)
        if i%2 == 0:
            if i != 10:
                MyPen.left(60)
        else:
            MyPen.right(120)

    for i in range(6):
        MyPen.forward(60)
        if i != 5:
            MyPen.right(60)
    MyPen.forward(60)
    tur.exitonclick()
if __name__ == "__main__":
    main()