local function getValue(reactor)
    local kelvin = reactor.getTemperature() or 0
    local fahrenheit = (kelvin - 273.15) * 9 / 5 + 32
    return math.floor(fahrenheit * 100 + 0.5) / 100
end

local function color(reactor)
    local temperature = getValue(reactor)
    return colors.black
end

local function watch(reactor, monitor)
    print("Temperature: " .. getValue(reactor))
    sleep(1)
end

local function report(reactor, monitor)
        local value = getValue(reactor)
        local color = color(reactor)
        monitor.setBackgroundColor(color)
        monitor.clearLine()
        monitor.write("Temperature: " .. value .. "°F")
end
return { report = report, watch = watch }