Guess the formula to transform strings as follows:
'Hello World!' --> 'Ifmmp Xpsme!'
'Can I help you?' --> 'Dbo J ifmq zpv?'
Simple and interesting.
Return the Fibonacci Sequence
intersection of matrices
Reverse the elements of an array
Derivative of polynomial
Get ranks of values in a vector
Raise Matrix to Power
Replace multiples of 5 with NaN
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