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Move some stuff around; add some docstrings

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This commit is contained in:
Eryn Wells 2017-10-10 12:54:33 -07:00
parent a0594d1561
commit ab927ee41d
1 changed files with 9 additions and 4 deletions
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13
sudoku.py
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@ -64,6 +64,12 @@ class Sudoku:
def boxes(self):
return self._apply_index_ranges(self.index_boxes)
def peers(self, x, y):
'''
Return a set of values of the peers for a given square.
'''
return {self._board[i] for i in self.index_peers(x, y) if self._board[i] != 0}
@property
def index_rows(self):
'''
@ -85,11 +91,10 @@ class Sudoku:
'''
return (self._box(x, y) for (x,y) in self.all_boxes)
def peers(self, x, y):
return {self._board[i] for i in self.index_peers(x, y) if self._board[i] != 0}
def index_peers(self, x, y):
sz = self.size
'''
Return a set of the peers, indexes into the board, for a given square.
'''
box = int(x / sz), int(y / sz)
return set(self._row(y)) | set(self._column(x)) | set(self._box(*box))