import turtle n = 60 # 每行间隔，小格子边长
x = -300 # x初始值
y = -300 # x初始值 def main():
turtle.speed(11)
turtle.pensize(2)
turtle.penup()
# 先画8*8的正方形，并按要求涂黑
for i in range(8):
for j in range(8):
turtle.goto(x + i * n, y + j * n)
if (i + j) % 2 == 0: # 白格子
draw_square(n, "white")
elif (i + j) % 2 == 1: # 黑格子
draw_square(n, "black") # 再画外面两个正方形
x1 = x - n * 0.12
y1 = y - n * 0.12
n1 = n * 8 + 2 * n * 0.12
turtle.goto(x1, y1)
turtle.pensize(4)
draw_square_2(n1) # ----------------------------------------------- x2 = x - n * 0.3
y2 = y - n * 0.3
n2 = n * 8 + 2 * n * 0.3
turtle.goto(x2, y2)
turtle.pensize(10)
draw_square_2(n2) turtle.hideturtle()
turtle.done() def draw_square(length:float, fill_color:str):
"""
画正方形并填充
:param length: 边长
:param fill_color: 填充颜色
:return: 无
"""
turtle.pendown()
turtle.begin_fill()
turtle.fillcolor(fill_color)
for index in range(4):
turtle.forward(length)
turtle.left(90)
turtle.end_fill()
turtle.penup() def draw_square_2(length:float):
"""
画正方形，不填充
:param length: 边长
:return: 无
"""
turtle.pendown()
for index in range(4):
turtle.forward(length)
turtle.left(90)
turtle.penup() if __name__ == '__main__':
main()