Which of the following statements represent the benefit of the metaclass approach?Each correct answer represents a complete solution. Choose all that apply.This type of question contains radio buttons and checkboxes for selection of options. Use Tab for navigation and Enter or space to select the option.Aoption AIt creates easy$-$to$-$maintain code.Boption BEvery class has to inherit the top$-$level class Singleton or its subclasses.Coption CIt provides more flexibility with respect to class hierarchies.Doption DIt is understood by most Python programmers.