in = [ 1
out = [ 2
There is only one test problem.
Back and Forth Rows
Summing Digits within Text
Find and replaces spaces from a input string with *
Length of the hypotenuse
Create a vector
find the roots of a quadratic equation
find the maximum element of the matrix
Switch matrix to a column vector
Weave two vectors into one
generate a matrix of Legendre polynomials
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