Count the number of occurrences of "OXO" in rows, columns, diagonals and anti-diagonals.
>> board = ['OOX'
>> board = [' O '
Find the sum of the elements in the "second" diagonal
Back to basics 7 - Equal NaNs
Implement simple rotation cypher
Generate a NaN...on purpose
Calculate the Damerau-Levenshtein distance between two strings.
Pancakes for everyone!
Disappear in 3, 2, 1 ...
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