রুবি nested-key

user = {
  "নাম" => "মোঃ আরিফ",
  "তথ্য" => {
    "স্বপ্ন" => "সফটওয়্যার ইঞ্জিনিয়ার",
    "দেশ" => "বাংলাদেশ"
  }
}

puts "<table border='1'>"

puts "<tr>"
puts "<th>নাম</th>"
puts "<td>#{user["নাম"]}</td>"
puts "</tr>"

puts "<tr>"
puts "<th>তথ্য</th>"
puts "<td>"

puts "<table border='1'>"

puts "<tr>"
puts "<th>স্বপ্ন</th>"
puts "<td>#{user["তথ্য"]["স্বপ্ন"]}</td>"
puts "</tr>"

puts "<tr>"
puts "<th>দেশ</th>"
puts "<td>#{user["তথ্য"]["দেশ"]}</td>"
puts "</tr>"

puts "</table>"

puts "</td>"
puts "</tr>"

puts "</table>"