Did you ever see that when you type a quote on notes.app it turns to accented quote like this?
but it should be like this
When i tried to copy this on my source code it paste a different kind of quotes that caused an error to my program so to prevent this automatic transformation of quotes to accented codes go to..
Apple Menu Icon > System Preferences… > Keyboard > Text
and you will see the following below
Then change the for Double Quotes and for Single Quotes with the settings below