案例:绘制多个同心圆
代码如下:
import turtlet = turtle.Pen()my_colors = ("red", "green", "yellow", "black")t.width(4)t.speed(1)for i in range(10): # 0 1 2 3 4t.penup()t.goto(0, -i*10) # 0, -100,-200,-300,-400t.pendown()t.color(my_colors[i%len(my_colors)])t.circle(15+i*10) # 100,200,300, 400,, 500turtle.done() # 程序执行完,窗口仍然在
执行结果如下图: