Test for month mappings for http://gmmentalgym.blogspot.com/2011/03/day-of-week-for-any-date-revised.html

gistfile1.rb

months = {
  'Jan' => 6,
  'Feb' => 2,
  'Mar' => 2,
  'Apr' => 5,
  'May' => 0,
  'Jun' => 3,
  'Jul' => 5,
  'Aug' => 1,
  'Sep' => 4,
  'Oct' => 6,
  'Nov' => 2,
  'Dec' => 4
}

wrong = []
start_time = Time.now
print "\e[2J\e[f"
10.times do
  x = months.to_a.sample
  print x[0]
  print ' '
  answer = gets
  if answer.chomp.to_i != x[1]
    wrong << x[0]
  end
  print "\e[2J\e[f"
end

puts Time.now - start_time
puts wrong.inspect