实验八
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from turtle import * def square(size=50, rgb='orange'): '''绘制正方形 参数size指定边长 参数rgb指定画笔颜色 如果没有给参数,采用默认值 ''' pencolor(rgb) for i in range(4): fd(size) left(90) def main(): setup(800, 600) speed(0) n = 5 for i in range(n): square(80) left(360/n) a = 5 left(36) for i in range(a): square(80) left(360 / a) hideturtle() done() if __name__ == '__main__': main()
from turtle import * setup(800, 600) pencolor('pink') speed(0) n = 10 for i in range(n): # 绘制一片花瓣 for j in range(2): circle(80, 90) left(90) right(360/n) hideturtle() done()
from turtle import * setup(800, 600) bgcolor('black') pencolor('white') speed(0) angle = 0 size = 2 n = 10 for i in range(n): for j in range(4): fd(size) angle += 72 seth(angle) size += 5 hideturtle() done()
from turtle import * from random import random setup(800,600) speed(0) def rect1(w=20,h=40): rgb=tuple(random() for i in range(3)) color(rgb) for i in range(2): fd(w) left(90) fd(h) left(90) def moveto(x,y): penup() goto(x,y) pendown() def rect2(w=20,h=40): rgb=tuple(random() for i in range(3)) color(rgb) for i in range(2): fd(w) right(90) fd(h) right(90) x=20 y=20 for i in range(10): begin_fill() rect1() moveto(x,0) x+=20 end_fill() home() right(180) for i in range(10): begin_fill() rect2() moveto(-y,0) y+=20 end_fill() hideturtle() done()
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