1 # 以(0,0)为圆心，绘制9个彩色同心圆，色彩随机生成
2
3 from turtle import *
4 from random import random
5
6 def moveto(x,y):
7     '''把画笔移至坐标(x,y)处'''
8     penup()
9     goto(x,y)
10     pendown()
11
12
13 setup(800, 600)
14 speed(0)
15
17 for i in range(9):
19     rgb = tuple( random() for i in range(3) ) # 随机生成rgb颜色三元组
20     color(rgb)
21     begin_fill()
23     end_fill()
25
26 hideturtle()
27 done()

 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 = 10
20     for i in range(n):
21         square(80)
22         left(360/n)
23
24     hideturtle()
25     done()
26
27
28 if __name__ == '__main__':
29     main()

 1 from turtle import *
2
3 setup(800, 600)
4 pencolor('pink')
5
6 n = 10
7 for i in range(n):
8     # 绘制一片花瓣
9     for j in range(2):
10         circle(80, 90)
11         left(90)
12
13     right(360/n)
14
15 hideturtle()
16 done()

 1 from turtle import *
2
3 setup(800, 600)
4 bgcolor('black')
5 pencolor('white')
6 speed(0)
7
8 angle = 0
9 size = 2
10
11 n = 10
12 for i in range(n):
13     for j in range(5):
14         fd(size)
15         angle += 72
16         seth(angle)
17         size += 5
18
19 hideturtle()
20 done()

 1 from turtle import *
2 import random
3
4 mode("logo")#切换至logo模式
5 screensize(800,600)#屏幕大小800*600
6 a=eval(input("Input the size of rector(height):"))
7 b=eval(input("Input the size of rector(width):"))
8 number=eval(input("Input the number of rectors you want:"))
9
10 def moveto(x,y):
11     '''把画笔移至坐标(x,y)'''
12     penup()
13     goto(x,y)
14     pendown()
15
16 def reck(a,b,rgb):
17     #矩形长a，宽b，填充颜色color(rgb三元组)，竖直绘制，绘制后坐标，朝向不变
18     color(rgb)
19     begin_fill()
20     fd(a/2);rt(90);fd(b);rt(90);fd(a);rt(90);fd(b);rt(90);fd(a/2)
21     end_fill()
22
23 hideturtle()
24 moveto(-(number*b/2),0)
25 for i in range(1,number+1):
26     rgb = tuple( random.random() for i in range(3) ) # 随机生成rgb颜色三元组
27     reck(a,b,rgb)
28     moveto(-(number*b/2)+i*b,0)