<h1>Make a new list</h1>
<%= form_for :list do |f| %>
  List Name: <%= f.text_field :name  %>
  <%= f.submit  %>
<% end %>

<h1>Make a new list</h1>
<%= form_for @list do |f| %>
  List Name: <%= f.text_field :name  %>
  <%= f.submit  %>
<% end %>

Use new @list in form
Use new @list in form
