实验8
from turtle import * def square(size=50, rgb='gold'): '''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 = 9 for i in range(n): square(80) left(360/n) hideturtle() done() if __name__ == '__main__': main()
from turtle import * setup(800, 600) pencolor('pink') 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 def move_to(x,y): penup() goto(x,y) pendown() def rect(wide=10,height=20,rgb='yellow'): rgb = tuple(random() for i in range(3)) color(rgb) for i in range(2): begin_fill() fd(wide) left(90) fd(height) left(90) end_fill() for i in range(20): move_to((9 - i) * 10, 0) rect() hideturtle() done()