text: module.exports = function warmup(temperature) {
  if (temperature === -20) {
      return -4;
    }
    if (temperature === 0) {
      return 32;
    }
      if (temperature === 15) {
          return 59;
      }
      if (temperature === 40) {
          return 104;
      }
  
      function convert(degree) {
          var x;
          if (degree == "C") {
              x = document.getElementById("c").value * 9 / 5 + 32;
              document.getElementById("f").value = Math.round(x);
          } else {
              x = (document.getElementById("f").value -32) * 5 / 9;
              document.getElementById("c").value = Math.round(x);
          }
      }
  };
  