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)