Python微课93 绘制国际象棋棋盘

import turtledef zhengfangxing(a):  # 一个正方形    for k in range(4):        turtle.forward(a)        turtle.left(90)        def line(firstColor, secondColor):  # 一行八个正方形，color是首个的颜色    for i in range(8):        if i % 2 == 1:            turtle.fillcolor(secondColor)        else:            turtle.fillcolor(firstColor)        turtle.begin_fill()        zhengfangxing(50)        turtle.end_fill()        turtle.forward(50)

def eightLine():    turtle.speed(0)    x = -200    y = 200    for i in range(8):        turtle.penup()        turtle.goto(x, y)        turtle.pendown()        if i % 2 == 0:            line("black", "white")        else:            line("white", "black")        y = y 50    turtle.done()eightLine()