as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
write a computer program to calculate the sum of the natural numbers up to given number, n.
user
function naturalnumbersum (n){
	let sum = 0;
	for(let i = 1; i <= n; i++){
		sum += i;
	}
	return sum;
}
assistant