Private method in Ruby

private_method.rb

#Ruby
class User
  attr_accessor :user_name

  def initialize(user_name, password)
    @user_name = user_name
    @password = password
  end
  
  def get_user_password
    secret_password
  end

  private

  def secret_password
    @password
  end
end

u = User.new("hello", "password")
puts "username: #{u.user_name}"
puts "password: #{u.get_user_password}"