Test 4 is wrong; y_correct should be [1; 2; 4]
I´m afraid all tests are correct. But thanks anyway!
Find all elements less than 0 or greater than 10 and replace them with NaN
Return the Fibonacci Sequence
Ratio between sum of primes and sum of factors
Alternating 1´s and 0´s in a matrix
Ratio between sums of prime and non-prime numbers
Double the next and alternate sign
Say type of roots in quadratic equation
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