Shouldn't there be two spaces between example and a in y_correct in test 4?
right.. corrected. Thanks :)
perhaps add another test to avoid non-general solutions? (e.g. str1='abaa' str2='aaab' should return 'aaa')
For test 5:
str1 = 'a string with many characters';
str2 = 'zzz zzz zzz zzz zzz';
Why wouldn't the correct answer be four spaces instead of just one?
Using regexp as outer function's delimiter...This is a hell of reverse thinking case! my hat is off, Bravo!
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