Task list:

• about_arrays.rb
• about_array_assignment.rb
• about_asserts.rb
• about_blocks.rb
• about_classes.rb
• about_class_methods.rb
• about_constants.rb
• about_control_statements.rb
• about_dice_project.rb
• about_exceptions.rb
• about_extra_credit.rb
• about_hashes.rb
• about_inheritance.rb
• about_iteration.rb
• about_java_interop.rb
• about_keyword_arguments.rb
• about_message_passing.rb
• about_methods.rb
• about_modules.rb
• about_nil.rb
• about_objects.rb
• about_open_classes.rb
• about_proxy_object_project.rb
• about_regular_expressions.rb
• about_sandwich_code.rb
• about_scope.rb
• about_scoring_project.rb
• about_strings.rb
• about_symbols.rb
• about_to_str.rb
• about_triangle_project.rb
• about_triangle_project_2.rb
• about_true_and_false.rb
• about_variable_scope.rb