2-liner creative solution for CheckSum by nickie - python coding challenges

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2-liner solution in Creative category for CheckSum by nickie

checkio=lambda d:(lambda s:[str((-s)%10),s])(sum(n if i%2 else sum(map(int,str(2
*n)))for i,n in enumerate(ord(c)-48for c in reversed(d)if'/'
                        Feb. 14, 2014

                        
                            Comments:
                            
                                
                                    nickie
 on Feb. 14, 2014, 8:13 p.m.

                                    <p>For a decrypted version of this, check my <a href="http://www.checkio.org/mission/check-digit/publications/nickie/python-3/straightforward/">other solution</a>.</p>

                                
                            
                                
                                    veky
 on Sept. 13, 2015, 6:16 p.m.

                                    <p><a href="http://www.checkio.org/mission/check-digit/publications/veky/python-3/short-is-funnier-than-long/?ordering=most_voted">Mine</a> is shorter, mine is shorter... :-)</p>

<p>but only because of using tuple[bool] instead of if...else.</p>

<p>Hmm, and you do something fishy with explicit character comparisons instead of just isalnum. :-)</p>

Hermit

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