rails: simple for loop to sum numbers from 1 to 5

gistfile1

	<h1>Simple for loop</h1>

	<h1>Here we are going to count</h1>
	<p>This is a simple for loop</p>
	<% sum = 0 %>
	<% for i in 1..5 %>
	<% sum = sum+i %>

	<h3><%= "sum is #{sum}" %></h3>
	<% end %>