实验八
1 from turtle import * 2 def square(size=50,rgb='yellow'): 3 pencolor(rgb) 4 for i in range(4): 5 fd(size) 6 left(90) 7 setup(800,600) 8 speed(0) 9 n=10 10 for i in range(n): 11 square(80) 12 left(360/n) 13 hideturtle() 14 done()
1 from turtle import * 2 setup(800,600) 3 speed(0) 4 pencolor('pink') 5 n=10 6 for i in range(n): 7 for j in range(2): 8 circle(80,90) 9 left(90) 10 right(360/n) 11 12 hideturtle() 13 done()
1 from turtle import * 2 setup(800,600) 3 speed(0) 4 pencolor('white') 5 bgcolor('black') 6 7 angle=0 8 size=2 9 10 n=10 11 for i in range(n): 12 for j in range(4): 13 fd(size) 14 angle+=71 15 seth(angle) 16 size+=5 17 18 19 hideturtle() 20 done()
1 from turtle import * 2 from random import random 3 setup(800,600) 4 speed(0) 5 def rect(w,h,fc): 6 fillcolor(fc) 7 for i in range(1,5): 8 if i%2==1: 9 d=w 10 else: 11 d=h 12 fd(d) 13 left(90) 14 def moveto(x,y): 15 penup() 16 goto(x,y) 17 pendown() 18 for i in range(10): 19 moveto(-20*i,0) 20 rgb=tuple(random()for i in range(3)) 21 begin_fill() 22 rect(20,50,rgb) 23 end_fill() 24 for i in range(10): 25 moveto(20*i,0) 26 rgb=tuple(random()for i in range(3)) 27 begin_fill() 28 rect(20,50,rgb) 29 end_fill() 30 hideturtle() 31 done()