Please improve the test suite. There are two glaring problems. First, there is only one test case—it is recommended that at least three be provided, though more are often necessary to prevent hard-coded workarounds. Second, do not provide the solution in the test case(s). For such a problem, the answer should be calculated beforehand and provided as a predefined number to hide the solution. Furthermore, candidate functions can be checked against the solution using an adequate error bound (perhaps within 1E-3) rather than isequal().
Count decimal digits of a number
Evaluating a polynomial
Divisible by 10
Write a code that will follow the equation y = x * (x + x) * x.
Matrix Generation from Vector Multiplication
Simple String Concatenation
String Delimination and Outputting
Matrix element wise multiplication
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