python 实现汉诺塔游戏

''' 编程环境：python3.7 win7x64 '''
def printf(A,C): #盘子移动的输出格式
  print("{} --> {}".format(A,C))

def move(n,A,B,C):
  if n == 1:
    printf(A,C)   #将最后1个盘子从A座移到C座
  else:
    move(n-1,A,C,B) #将n个盘子从A座借助B座移到C座
    printf(A,C)   #将最后1个盘子从A座移到C座
    move(n-1,B,A,C) #将n个盘子从B座借助A座移到C座

N = int(input("请输入汉诺塔层数："))
move(N,'A','B','C')

''' 编程环境：python3.7 win7x64 '''
from turtle import *
class Stack:
  def __init__(self):
    self.items = []
  def isEmpty(self):
    return len(self.items) == 0
  def push(self, item):
    self.items.append(item)
  def pop(self):
    return self.items.pop()
  def peek(self):
    if not self.isEmpty():
      return self.items[len(self.items) - 1]
  def size(self):
    return len(self.items)

def drawpole_1(k):#画汉诺塔的底座
  up()
  pensize(10)
  speed(100)
  goto(400*(k-1), 100)
  down()
  goto(400*(k-1), -100)
  goto(400*(k-1)-20, -100)
  goto(400*(k-1)+20, -100)

def drawpole_3():#画出汉诺塔的三个底座
  hideturtle()#隐藏
  drawpole_1(0)#画出汉诺塔的底座左
  drawpole_1(1)#画出汉诺塔的底座中
  drawpole_1(2)#画出汉诺塔的底座右

def creat_plates(n):#制造n个盘子
  plates=[Turtle() for i in range(n)]
  for i in range(n):
    plates[i].up()
    plates[i].hideturtle()
    plates[i].shape("square")
    plates[i].shapesize(1,8-i)
    plates[i].goto(-400,-90+20*i)
    plates[i].showturtle()
  return plates

def pole_stack():#制造底座的栈
  poles=[Stack() for i in range(3)]
  return poles

def moveDisk(plates,poles,fp,tp):#把poles[fp]顶端的盘子plates[mov]从poles[fp]移到poles[tp]
  mov=poles[fp].peek()
  plates[mov].goto((fp-1)*400,150)
  plates[mov].goto((tp-1)*400,150)
  l=poles[tp].size()#确定移动到底部的高度（恰好放在原来最上面的盘子上面）
  plates[mov].goto((tp-1)*400,-90+20*l)

def moveTower(plates,poles,height,fromPole, toPole, withPole):#递归放盘子
  if height >= 1:
    moveTower(plates,poles,height-1,fromPole,withPole,toPole)
    moveDisk(plates,poles,fromPole,toPole)
    poles[toPole].push(poles[fromPole].pop())
    moveTower(plates,poles,height-1,withPole,toPole,fromPole)

myscreen=Screen()
setup(1200,500) #设置窗口大小
drawpole_3()  #画汉诺塔的底座
n=int(input("请输入汉诺塔的层数并回车:"))#输入汉诺塔的盘子数
plates=creat_plates(n)#制造n个盘子
poles=pole_stack()
for i in range(n):
  poles[0].push(i)
moveTower(plates,poles,n,0,2,1)
myscreen.exitonclick()