.rb

def find_by_address(query)
		results = []
		search = query.downcase
		contacts.each do |contact|
		  contact.addresses.each do |address|
		  	if address.to_s('long').downcase.include?(search)
		  		results.push(contact) unless results.include?(contact)
		  	end
		  end
		end
		print_results("Address search results (#{search})", results) #  Is print_results here in the public domain?
	end
end

address_book = AddressBook.new

loi = Contact.new
loi.fname = "Loi"
loi.mname = "Van"
loi.lname = "Tran"
loi.add_phone_number("Home", "850-123-1234")
loi.add_phone_number("Work", "123-456-1234")
loi.add_address("Mansion", "First in the world lane two shot", "", "Miami", "FL", "12345")