array_recap.rb

students =     [ "Peter", "Mary", "George", "Emma" ]
student_ages = [ 24     , 25    , 22      ,  20    ]

# - Peter is X years old

students.each_with_index do |name, index|
  age = student_ages[index]
  puts "#{name} is #{age} years old"
end

csv_reader.rb

require "csv"

CSV.foreach("cities.csv") do |elephant|
  puts "#{elephant[0]} has #{elephant[1]} people, monument: #{elephant[2]}"
end

hash.rb

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

names = ["arthur", "alex"]

# CRUD
# Array:
# c: names << "Edward"
# u: names[1] = "Alex"
# r: names[0]
# d: names.delete_at(-1)

# Hash
# create / update:
paris['monument'] = "Eiffel Tower"
#     key           value

# read
paris['population']

# delete
paris.delete('population')

iterator.rb

paris = {
  country: "France",
  population: 2211000,
  star_monument: "Tour Eiffel",
}




# paris.each do |key, value|
#   puts "#{key} is #{value}"
# end

# puts paris.has_key?('country')

p paris[:country ]

json_reader.rb

require "json"
require "open-uri"

# STRING = open(URL).read
# HASH = JSON.parse(string)


string = open('https://api.github.com/users/voxoff').read
hash = JSON.parse(string)
puts "#{hash["name"]}'s id is #{hash["id"]}"


ARRAY = [1,2,3]

def method(attr)

end

method.rb

# <div class="container" id="menu" style="color: green"></div>

def tag(tag_name, content, attributes = {})
  p attributes
  partials = attributes.map do |key, value|
    "#{key}=\"#{value}\""
  end

  html_attr = partials.join(" ")
  "<#{tag_name} #{html_attr}>#{content}</#{tag_name}>"
end

puts tag("h1", "Hello world")



puts tag('div', "", {
    class: "container",
    id: "menu"
  })