Please explain your problem in more detail. With "get" do you mean receive or output? If one value is a temperature in degrees Celsius, then what does the other value represent?

You should also always implement multiple tests in your Test Suite, otherwise it can easily be defeated, as demonstrated in Solution 1381355.

By the way, there are several existing problems on Cody that involve converting temperature units. https://www.mathworks.com/matlabcentral/cody/problems?term=temperature