refactored sudoku_solver.py

IsxImattI · IsxImattI · commit 466d9925b217 · 2024-11-11T00:18:55.000+01:00
diff --git a/data_structures/arrays/sudoku_solver.py b/data_structures/arrays/sudoku_solver.py
@@ -23,8 +23,7 @@ def cross(items_a, items_b):
     + [cross(rs, cs) for rs in ("ABC", "DEF", "GHI") for cs in ("123", "456", "789")]
 )
 units = {s: [u for u in unitlist if s in u] for s in squares}
-peers = {s: set(x for u in units[s] for x in u) - {s} for s in squares}
-
+peers = {s: {x for u in units[s] for x in u} - {s} for s in squares}
 
 def test():
     "A set of unit tests."

Original file line number	Diff line number	Diff line change
`@@ -23,8 +23,7 @@ def cross(items_a, items_b):`
`23`	`23`	`+ [cross(rs, cs) for rs in ("ABC", "DEF", "GHI") for cs in ("123", "456", "789")]`
`24`	`24`	`)`
`25`	`25`	`units = {s: [u for u in unitlist if s in u] for s in squares}`
`26`		`-peers = {s: set(x for u in units[s] for x in u) - {s} for s in squares}`
`27`		`-`
	`26`	`+peers = {s: {x for u in units[s] for x in u} - {s} for s in squares}`
`28`	`27`
`29`	`28`	`def test():`
`30`	`29`	`"A set of unit tests."`