实验八
#实验4 from turtle import * def square(size=50, rgb='blue'): pencolor(rgb) for i in range(4): fd(size) left(90) def main(): setup(800, 600) speed(0) n = 10 for i in range(n): square(80) left(360/n) hideturtle() done() if __name__ == '__main__': main() #实验5 from turtle import * setup(800, 600) speed(0) pencolor('pink') n = 10 for i in range(n): for j in range(2): circle(80, 90) left(90) right(360/n) hideturtle() done() #实验7 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() #实验8 from turtle import * from random import random setup(800, 600) speed(0) def rect(w, h, fc): fillcolor(fc) for i in range(1, 5): if i % 2 == 1: d = w else: d = h fd(d) left(90) def moveto(x, y): penup() goto(x, y) pendown() for i in range(10): moveto(20 * i, 0) rgb = tuple(random() for i in range(3)) begin_fill() rect(20, 50, rgb) end_fill() for i in range(10): moveto(-20 * i, 0) rgb = tuple(random() for i in range(3)) begin_fill() rect(20, 50, rgb) end_fill() hideturtle() done()
from turtle import * setup(800,600) pencolor('pink') n = 10 speed(0) 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) speed(0) pencolor('white') bgcolor('black') angle=0 size=2 n=10 for i in range(n): for j in range(4): fd(size) angle += 71 seth(angle) size+=5 hideturtle() done()
from random import random from turtle import * def rect(): rgb = tuple(random() for i in range(3)) color(rgb) begin_fill() for i in range(2): fd(20) left(90) fd(60) left(90) end_fill() def main(): goto(-11*20, 0) for i in range(20): rect() fd(20) setup(800, 600) speed(0) main()