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# Everything's ok
200 - OK

# Redirects or cache
301 - Permanent redirect
302 - Temp redirect
304 - Not modified

# Client error (you screw up)
401 - Unauthorized

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def beautify_name(first_name, last_name)
  full_name = "#{first_name.capitalize} #{last_name.upcase}"
  yield(full_name)
end

message = beautify_name("john", "lennon") do |name|
  "Greetings #{name}, you look quite fine today!"
end

message = beautify_name("john", "lennon") do |name|

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paris = {
  "country" => "France",
  "population" => 2211000
}

students = {
  2882 => {
    'name' => 'Ricardo',
    'age' => 27
  }

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# car.rb

# filename - lower_snake_case
# class name - UpperCamelCase

# sports_car.rb => SportsCar

class Car
  attr_reader :brand
  # attr_writer :color

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# chef.rb

class Chef
  attr_reader :name, :restaurant

  def initialize(name, restaurant)
    @name = name # String instance
    @restaurant = restaurant # Restaurant instance
  end
end

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# methods.rb

# method names should be snake_cased
# no arguments
def random_method
  return 10
end

# puts random_method

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# car.rb

class Car
  # attr_reader :color, :brand
  attr_reader :brand
  # attr_writer :color
  attr_accessor :color

  # initializer or constructor
  def initialize(color, brand)

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class Citizen
  # attr_reader :first_name, :last_name, :age
  attr_reader :age, :height

  def initialize(first_name, last_name)
    @first_name = first_name
    @last_name = last_name
    @age = 0
    @height = rand(10..40)
    @alive = true

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# chef.rb

class Chef
  attr_reader :name, :restaurant

  def initialize(name, restaurant)
    @name = name # String instance
    @restaurant = restaurant # Restaurant instance
  end
end

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# controller.rb

require_relative 'view'
require_relative 'task'

class Controller
  def initialize(repository)
    @repo = repository
    @view = View.new
  end