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Q. What does the `protected` keyword do in Ruby classes?
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Q. What does the term "lexical scope" refer to in Ruby?
Q. What is the purpose of the loop keyword in Ruby?
Q. What is the purpose of the attr_reader method in Ruby classes?
Q. What does the gem yank gem_name --version version_number command do in Ruby?
Q. What is the correct syntax for printing a message to the console?
Q. What is the purpose of the yield keyword in Ruby?
Q. What is the purpose of the beginning_of_week method for a Date object in Ruby?
Q. Which tool is commonly used for Ruby version management and dependency isolation?
Q. What is the method used to inherit from a superclass in Ruby?
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