# 坐标类 class Point(): # 初始化 0,0 def __init__(self): self.x = 0 self.y = 0 # 坐标可以移动 def move(self, direction, length): if direction == "A": self.x -= length elif direction == "S": self.y -= length elif direction == "W": self.y += length elif direction == "D": se...