def main()
  print "Input how many developers are: "
  developers_count = gets.chomp.to_i

  developers = Array.new
  developers_count.times do |developer_index|
    developers << get_developer_data
  end

  developers.each do |developer|
    puts "#{developer[:name]} is a developer of #{developer[:age]} old with #{developer[:friends].size} friends and is able to #{developer[:skills].join(",")}"
  end
  nil
end

def get_developer_data()
    print "Developer name: "
    developer_name = gets.chomp
    print "Developer age: "
    developer_age = gets.chomp.to_i

    print "Developer skills: "
    developer_skills = gets.chomp

    developer_hash = Hash.new

    developer_hash[:name] = developer_name
    developer_hash[:age] = developer_age
    developer_hash[:skills] = developer_skills.split(",")
    developer_hash[:friends] = get_developer_friends


    developer_hash
end


def get_developer_friends()
  print "How many friend do you have?: "
  friends_count = gets.chomp.to_i

  friends = Array.new

  friends_count.times do |i|
    print "Friend name: "
    friend_name = gets.chomp

    friends << {name: friend_name}
  end

  friends
end



developers = main()

# Your script ends here

puts developers.inspect