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# 绘制丘比特爱心之箭 ![](http://h.yiniuedu.com/6bbfe841b9ba9351ae10c44bf59e8e8f) ``` from turtle import * title('沂牛教育@喜爱少儿编程') speed(0) def go_to(x, y): up() goto(x, y) down() def big_Circle(size): #函数用于绘制心的大圆 speed(0) for i in range(150): forward(size) right(0.3) def small_Circle(size): #函数用于绘制心的小圆 speed(0) for i in range(210): forward(size) right(0.786) def line(size): speed(0) forward(51 * size) def heart(x, y, size): go_to(x, y) left(150) begin_fill() line(size) big_Circle(size) small_Circle(size) left(120) small_Circle(size) big_Circle(size) line(size) end_fill() def arrow(): pensize(10) setheading(0) go_to(-400, 0) left(15) forward(150) go_to(339, 178) forward(150) def arrowHead(): pensize(1) speed(0) color('red', 'red') begin_fill() left(120) forward(20) right(150) forward(35) right(120) forward(35) right(150) forward(20) end_fill() def main(): pensize(2) color('red', 'pink')# getscreen().tracer(30, 0)# 取消注释后, 快速显示图案 heart(200, 0, 1)# 画出第一颗心, 前面两个参数控制心的位置, 函数最后一个参数可控制心的大小 setheading(0)# 使画笔的方向朝向x轴正方向 heart(-80, -100, 1.5)# 画出第二颗心 arrow()# 画出穿过两颗心的直线 arrowHead()# 画出箭的箭头 go_to(400, -300) done() if __name__ == '__main__': main() ```