sectionYPositions = computeSectionYPositions($el), 10)" x-init="setTimeout(() => sectionYPositions = computeSectionYPositions($el), 10)" class="pr-5" > Exercise Categories Lists Tail of a List Last Two Elements of a List N'th Element of a List Length of a List Reverse a List Palindrome Flatten a List Eliminate Duplicates Pack Consecutive Duplicates Run-Length Encoding Modified Run-Length Encoding