python绘制玫瑰线

from turtle import *
from math import *def draw(a, n, end):t = 0pendown()while t <= end:x = a * sin(n * t) * cos(t)y = a * sin(n * t) * sin(t)goto(x, y)t = t + 0.01penup()if __name__ == '__main__':setup(800, 800)bgcolor('white')pencolor('black')speed(0)'''三叶玫瑰'''# draw(100, 3, 3.14)'''五叶玫瑰'''draw(100, 5, 3.14)'''六叶玫瑰'''# draw(200, 1.5, 12.56)done()