第一章作业

五角星绘制

1 import turtle
2 turtle.pensize(1)
3 turtle.pencolor("black")
4 turtle.fillcolor("red")
5 turtle.begin_fill()
6 for i in range(5):
7     turtle.forward(200)
8     turtle.right(144)
9 turtle.end_fill()

 

 

 六角形绘制

 1 import turtle
 2 turtle.pensize(1)
 3 turtle.pencolor("black")
 4 turtle.seth(30)
 5 for i in range(3):
 6     turtle.fd(300)
 7     turtle.right(120)
 8 turtle.penup()
 9 turtle.fd(100)
10 turtle.left(60)
11 turtle.fd(100)
12 turtle.left(180)
13 turtle.pendown()
14 for i in range(3):
15     turtle.fd(300)
16     turtle.left(120)

 

 叠加等边三角形绘制

 1 import turtle
 2 turtle.pensize(1)
 3 turtle.pencolor("black")
 4 for i in range(3):
 5     turtle.fd(100)
 6     turtle.right(120)
 7 for i in range(3):
 8     turtle.fd(100)
 9     turtle.left(120)
10 turtle.right(120)
11 turtle.fd(100)
12 turtle.left(120)
13 turtle.fd(200)
14 turtle.left(120)
15 turtle.fd(100)