3.实验任务3
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 = 10 for i in range(n): square(80) left(360/n) hideturtle() done()
4.实验任务4
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()
5.实验任务5
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()
6.实验任务6
from turtle import * from random import random shape('turtle') def moveto(x,y): penup() goto(x,y) pendown() i=0 while i<=9: speed(0) rgb = tuple( random() for i in range(3) ) color(rgb) begin_fill() fd(10) left(90) fd(50) left(90) fd(10) left(90) fd(50) end_fill() left(90) fd(10) i+=1 moveto(-10,0) i=0 while i<=9: #speed(0) rgb = tuple( random() for i in range(3) ) color(rgb) begin_fill() fd(10) left(90) fd(50) left(90) fd(10) left(90) fd(50) end_fill() i+=1 left(90) moveto(-10*(i+1),0) hideturtle() done()
实验总结:实验6完成的十分牵强