# Tic Tac Toe notes

## Checkpoint 1 Notes

Which class is responsible for each of the following behaviors?
For each, explain how the behavior is accomplished.

### Checking to see whether the game is over

ttt.game.TTTGame
It checks whether the board is full or if a player has won to determine if the game has ended.

### Determining which actions are available at a particular state

ttt.game.TTTGame
It returns the list of empty spaces for the player to place symbols on.

### Showing the board

ttt.view.TTTView
It prints the current board, showing the current available spaces.

### Choosing which action to play on a turn

ttt.player.TTTHumanPlayer
It prompts the player to choose which board space to place the corresponding symbol on.

## Checkpoint 2 Notes

### TTT Strategy

For each of the following board states, if you are playing as X
and it's your turn, which action would you take? Why?

   | O | O       |   | O       | X |       X | O |   
---+---+---   ---+---+---   ---+---+---   ---+---+---
 X | X |         | X |       X | O | O       |   |   
---+---+---   ---+---+---   ---+---+---   ---+---+---
   |   |         |   | O       |   |         |   |   

### Initial game state

You can get the inital game state using game.get_initial_state(). 
What is the current and future reward for this state? What does this mean?