It is for traders who do not have Pro badge on trading view. They are limited to use only 3 indicators. By using two moving averages in a single indicator would enhance their access from the current 3 to a plus one means four indicators.
You will be able to change the color of the lines, their thickness and their values.
I hope you will enjoy this work.
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.