### $2.$ Celsius to Fahrenheit Function

In previous problem, you just convert from Celsius to Fahrenheit with given conditions. Now, make a function m$-$file named $***$C$2$F$***$ which accept one parameter, i$.$e$.,$ Celsius and convert it to Fahrenheit and return the Fahrenheit. With your own function m$-$file, make the following dat files and submit them.

$-$ save equivalent Fahrenheit with Celsius $C$=13\mathrm{.}5^\backslash$circ C$ on $***$HW$2\_4.$dat$***$ file $($You must use your function.$)$

$-$ save equivalent Fahrenheit with Celsius $C$=121\mathrm{.}35^\backslash$circ C$ on $***$HW$2\_5.$dat$***$ file $($You must use your function.$)$