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s = 'key=value'
array = s.split("=")
s1 = array[0]
s2 = array[1]


puts s1
puts s2

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def method
  a = 50
  puts a
end

a = 10
method # calls method with local variable a = 50, then puts local varaible
puts a # puts the global variable a = 10 from line 6

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1929
1951
1952

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class Dog
  attr_accessor :name

  def bark
    "#@name barks"
  end

  def eat
    "#@name eats"
  end

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class Rectangle
  attr_reader :area, :perimeter

  def initialize(width, height)
    @area = width * height
    @perimeter = (width + height)*2
  end
end

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class UnpredictableString < String
  def scramble
    self.split("").shuffle.join("")
  end
end

sentence = UnpredictableString.new("It was a dark and stormy night.")
puts sentence
puts sentence.scramble

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class Shape
  def click
    puts rotate
    puts play
  end

  def play
    sound
  end

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class Person
  attr_accessor :balance

  Inf = 1.0/0.0
  def balance_test
    puts "Your balance measurement is: #@balance"
    case balance
    when 500...Inf
      "You could be a gymnast"
    when 100...500

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class Shape
  def click
    p rotate
    play
  end

  def play
    sound
  end

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class UnpredictableString < String
  def scramble(string)
    string.split("").shuffle.join("")
  end
end

sentence = UnpredictableString.new
p sentence.scramble("It was a dark and stormy night.")