实验8
1 from turtle import * 2 3 def square(size=50, rgb='yellow'): 4 '''绘制正方形 5 参数size指定边长 6 参数rgb指定画笔颜色 7 如果没有给参数,采用默认值 8 ''' 9 pencolor(rgb) 10 for i in range(4): 11 fd(size) 12 left(90) 13 14 15 def main(): 16 setup(800, 600) 17 speed(0) 18 19 n = 6 20 for i in range(n): 21 square(80) 22 left(360/n) 23 24 hideturtle() 25 done() 26 27 if __name__ == '__main__': 28 main()
4
1 from turtle import * 2 setup(800, 600) 3 pencolor('pink') 4 n = 10 5 for i in range(n): 6 for j in range(2): 7 circle(80, 90) 8 left(90) 9 right(360/n) 10 hideturtle() 11 done()
5
1 from turtle import * 2 setup(800, 600) 3 bgcolor('black') 4 pencolor('white') 5 speed(0) 6 angle = 0 7 size = 2 8 n = 10 9 for i in range(n): 10 for j in range(4): 11 fd(size) 12 angle += 72 13 seth(angle) 14 size += 5 15 16 hideturtle() 17 done()
6
1 from turtle import * 2 from random import random 3 def rect(k,h,rgb=''): 4 color(rgb) 5 begin_fill() 6 for i in range(4): 7 fd(k) 8 left(90) 9 fd(h) 10 end_fill() 11 setup(800,600) 12 penup() 13 goto(-200,0) 14 pendown() 15 for i in range(20): 16 rgb = tuple(random() for j in range(3)) 17 rect(20,80,rgb) 18 fd(20) 19 hideturtle() 20 done()