Merge branch 'slides/187-expressions-membership-tests-quiz-add-inform… #2190

Job	Run time
Python scripts black lint check	7s
Labs-Slides	1m 4s
List-Courses	2s
Labs (ubuntu-latest)	48s
Contrib scripts check	1m 25s
Slides (static_analysis_via_compiler)	1m 12s
Slides (fundamentals_of_ada)	8m 59s
Slides (gnat_project_facility)	1m 35s
Slides (gnat_studio)	1m 18s
Slides (toolchain)	1m 13s
Slides (gnatsas)	2m 17s
Slides (gnatdas)	2m 7s
Slides (spark_for_ada_programmers)	2m 52s
Slides (advanced_exception_analysis)	1m 11s
Slides (fundamentals_of_ada/opat.txt)	2m 6s
Slides (fundamentals_of_ada/standard_course.txt)	2m 14s
Slides (fundamentals_of_ada/advanced.txt)	1m 57s
Slides (gnat_project_facility/standard_course.txt)	1m 13s
Slides (gnat_studio/course.txt)	1m 11s
Slides (toolchain/gnat_toolchain.txt)	1m 10s
Slides (spark_for_ada_programmers/course.txt)	1m 35s
	37m 36s

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