fizz_buzz.rb

class FizzBuzz
  def self.run
    # your solution goes here
    # use "puts" to print out a number, "fizz", or "buzz"
    (1..100).each do |n| 
      output = ""
      output += "Fizz" if (n%3).zero?
      output += "Buzz" if (n%5).zero?
      puts output.empty? ? n : output
    end
  end
end

FizzBuzz.run