todos.rb

class User
  attr_reader :name, :todos
  def initialize(name, password, gender)
    @name = name
    @password = password
    @gender = gender
    @todos = []
  end

  def create_todo(todo)
    @todos << Todo.new(todo)
  end
end

class Todo
  def initialize(text)
    @text = text
    @date = Time.now
  end
end