solverd the about_methods.rb
solved about_keyword_arguments.rb
solved about_constants.rb
solved about_control_statements.rb
solved about_true_and_false.rb
solved about_triangles.rb
solved about_exceptions.rb
solved about_iteration.rb
solved about_blocks.rb
solved about_sandwich_code.rb
solved about_scoring_project.rb
solved about_classes.rb
solved about_open_classes.rb
solved about_dice_project.rb
solved about_inheritance.rb
solved about_modules.rb
solved about_scope.rb
solved about_class_methods.rb
solved about_message_passing.rb
solved about_proxy_object_project.rb