Traversing Data Structure Practice

Run each file, and complete the challenges specified in the comments.

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
00_example.rb		00_example.rb
01_lessons.rb		01_lessons.rb
02_occurrences.rb		02_occurrences.rb
03_occurrence_comments.rb		03_occurrence_comments.rb
04_lesson_comments.rb		04_lesson_comments.rb
05_unit_comments.rb		05_unit_comments.rb
06_commenters.rb		06_commenters.rb
README.md		README.md
curriculum.json		curriculum.json
curriculum.rb		curriculum.rb

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