Sum of chr creative solution for Pawn Brotherhood by DiZ - python coding challenges

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Sum of chr solution in Creative category for Pawn Brotherhood by DiZ

safe_pawns=lambda p:sum(any(chr(ord(c)+o)+chr(ord(r)-1)in p for o in(-1,1))for c,r in p)

July 31, 2014

Comments:

veky on March 14, 2015, 3:18 p.m.
Funny, this is exactly the same length: <pre class='brush: python'>safe_pawns=lambda p:sum(bool({chr(ord(c)+o)+chr(ord(r)-1)for o in(-1,1)}&p)for c,r in p) </pre>

DiZ on March 16, 2015, 9:03 a.m.
This is what I wrote after seeing your solution - and hoping set comprehension would be shorter than any(...) - but no luck!

R2R on March 27, 2017, 9:24 p.m.
That's great!!

Look up in the Dict()

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