class Product

attr_reader :name, :price

def initialize(name, price)

@name = name

@price = price

end

end

class Cart

def initialize

@products = []

end

def add_product(product)

@products << product

end

def add_products(products)

@products += products

end

def contents

@products.each do |product|

puts "#{product.name}: $#{product.price}"

end

end

def sub_total

@products.reduce(0) do |sum, product|

product.price + sum

end

end

end

coffee = Product.new("coffee", 16.25)

creamer = Product.new("creamer", 3.5)

sugar = Product.new("sugar", 2.25)

chocolate_syrup = Product.new("chocolate syrup", 2.23)

cart = Cart.new

cart.add_products([coffee, creamer, sugar, chocolate_syrup])

cart.contents

puts "---------------------"

puts "Subtotal: $#{cart.sub_total}"