We love vectorized solutions. Problem 1 : remove the row average.
Length of the hypotenuse
Back to basics - mean of corner elements of a matrix
Create a Matrix of Zeros
multiply an array by its position number
Basics: counting digits of a number irrespective of the sign
basic matrix operations: rotate and find sum of diagonal elements of the resultant matrix
ASCII sum of phrases
convert the number to binary format & count digits
Remove white spaces at the end of the input string
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