Test 4 is wrong; y_correct should be [1; 2; 4]
I´m afraid all tests are correct. But thanks anyway!
Energy of a photon
CONVERT TAN TO SIN
Number of digits in an integer
Length of the hypotenuse
Rounding off numbers to n decimals
Get the value 100
Double the next and alternate sign
Check if is a square
Alternating 1´s and 0´s in a matrix
Get the mean digit
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