রুবি multidimensional-key

users = [
  { "আইডি" => 10, "নাম" => "তানিম", "দেশ" => "বাংলাদেশ" },
  { "আইডি" => 11, "নাম" => "জোহান", "দেশ" => "নেদারল্যান্ড" },
  { "আইডি" => 12, "নাম" => "হামিদ", "দেশ" => "আফগানিস্তান" },
  { "আইডি" => 13, "নাম" => "সাকিব", "দেশ" => "বাংলাদেশ" }
]

puts "<table border='1'>"

puts "<thead>"
puts "<tr>"

users[0].each_key do |key|
  puts "<th>#{key}</th>"
end

puts "</tr>"
puts "</thead>"

puts "<tbody>"

users.each do |user|
  puts "<tr>"

  user.each_value do |value|
    puts "<td>#{value}</td>"
  end

  puts "</tr>"
end

puts "</tbody>"
puts "</table>"