与python的三天

#导入海龟图

import turtle
turtle.showturtle()
turtle.width(20)
liebiao = ['red','blue','yellow','green','purple','orange','brown','red','black','']
i = 100
a = 10
b = 0

while i > 0 :
turtle.speed(10)
color = liebiao[b]
turtle.color(color)
turtle.circle(i)
turtle.penup()
turtle.goto(0,a)
turtle.pendown()
i = i - 10
a = a + 10
b = b + 1
print(color)
#绘制彩色靶子