同心圆系列 13.3
Python
import turtle as t
pen = t.Turtle()
pen.speed(10)
pen.pensize(2)
# 定义半径列表
radii = [20, 40, 60, 80, 100]
colors = ["red", "orange", "yellow", "green", "blue"]
for i in range(len(radii)):
pen.penup()
pen.goto(0, -radii[i]) # 移动到圆的底部起始点
pen.pendown()
pen.color(colors[i])
pen.begin_fill()
pen.circle(radii[i]) # 画圆
pen.end_fill()
t.done()
