Really basic dict-based board

board.py

#! /usr/bin/python

class Board:
	def __init__(self):
		self.board = {}

	def add_to_board(self, item, position):
		# Simple function, adds something to the board at position
		# where position is a tuple, returns True if add is successful
		if get_item_at(position) == None:
			self.board[position] = item
			return True
		else:
			return False

	def get_item_at(self, position):
		# Return object or None
		if position in self.board:
			return self.board[position]
		else:
			return None

	def remove_item_at(self, position):
		# Stupid remove. Fails silently
		if position in self.board:
			del self.board[position]