I want open the first question freecodecamp in node program,

<%= @topic_view.topic.title %>
<%= @topic_view.topic.average_rating %> <%= @topic_view.topic.posts.count { |p| !!p.custom_fields['rating'] } %>

Can you help me to the first question in node program? “Basic Node and Express - Console Meet the Node” i don’t know what i must do.