Test 4 is wrong; y_correct should be [1; 2; 4]
I´m afraid all tests are correct. But thanks anyway!
Remove the polynomials that have positive real elements of their roots.
Distance walked 2D
Sum of the Multiplication of Vectors
Summation of array
Your favourite city!
Ratio between sum of primes and sum of factors
Get the mean digit
Alternate list of elements
Check if is a square
Approximate the inverse tangent by power series
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