const ftoc = function(f) {
let c = (f-32)*(5/9);
let celcius = +c.toFixed(1);
return celcius;
}
const ctof = function(c) {
let f = c * (9/5) + 32;
let fahrenheit = +f.toFixed(1);
return fahrenheit;
module.exports = {
ftoc,
ctof