Rework confusing quiz#469

frank-at-adacore wants to merge 1 commit intomasterAdaCore/training_material:masterfrom

slides/184-genericity-simplify-quiz-answer-explanations-for-generic-formal-data-quizAdaCore/training_material:slides/184-genericity-simplify-quiz-answer-explanations-for-generic-formal-data-quizCopy head branch name to clipboard