from turtle import * speed(0) pensize(5) def 棋盘(): for i in range(1,3): pu() goto(0,i*50) pd() seth(0) fd(150) pu() goto(i*50,0) pd() seth(90) fd(150) 棋盘() def O(x,y): x=x-x%50+25 y=y-y%50+25 pu() goto(x,y) pd() dot(40,'black') dot(34,'white') def X(x,y): x=x-x%50+25 y=y-y%50+25 pu() goto(x,y) pd() seth(45) for i in range(4): fd(20) fd(-20) left(90) def mid(x,y): clear() 棋盘() onscreenclick(O) onscreenclick(X,3) onscreenclick(mid,2) done()