#! /usr/bin/local/ruby
# -*- encoding: utf-8 -*-

#1
wday = {
  "Sunday" => "日曜日",
  "Monday" => "月曜日",
  "Tuesday" => "火曜日",
  "Wednesday" => "水曜日",
  "Thursday" => "木曜日",
  "Friday" => "金曜日",
  "Saturday" => "土曜日"
  }

puts wday

#2
puts wday.size


#3
wday.each do |k,v|
  puts "「#{k}」は#{v}のことです。。"
end

#4
def str2hash(s)
  h = Hash[*(s.split(/\s+/))]
end

p str2hash("blue 青 white 白\nred 赤")