Guess the formula to transform strings as follows:
'Hello World!' --> 'Ifmmp Xpsme!'
'Can I help you?' --> 'Dbo J ifmq zpv?'
Simple and interesting.
Count from 0 to N^M in base N.
Remove NaN ?
Sum the elements in either diagonal of a square matrix
MATCH THE STRINGS (2 CHAR) very easy
Replace multiples of 5 with NaN
Create an 'arrow-head" matrix
Count up then down
Handle to an array of functions
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