Class Initialization with Faker Gem - ruby

Question

I have created a class that will automatically fill with data using the faker gem when an instance of the class is created. I am having trouble getting the Person object to populate. It is probably a clumsy syntax mistake.
require 'rubygems'
require 'faker'
class Person
attr_accessor :firstname , :lastname, :phonenumber, :workaddress, :bio, :email
def initialize(firstname = Faker::Name.first_name ,
lastname = Faker::Name.last_name,
phonenumber = Faker::PhoneNumber.phone_number,
workaddress = "#{Faker::Address.street_name},
#{Faker::Address.city}, #{Faker::Address.state_abbr}, #{Faker::Address.zip}",
bio = 'bla bla bla',
email = Faker::Internet.email)
end
end
I ran the code above in a ruby interpreter but I could not get the Class attributes to initialize, The following yields nillClass instead of String.
p = Person.new
puts p.firstname.class
Working Solution:
def initialize(firstname = Faker::Name.first_name ,lastname =Faker::Name.last_name,phonenumber = Faker::PhoneNumber.phone_number,workaddress = "# {Faker::Address.street_name}, #{Faker::Address.city}, #{Faker::Address.state_abbr}, #{Faker::Address.zip}",bio = "#{Lolem.new.words(7)}", email = Faker::Internet.email)
#firstname = firstname
#lastname = lastname
#phonenumber = phonenumber
#workaddress = workaddress
#bio = bio
#email = email
end

Answer 1

You have to have code in your initialize method initializating your attributes like:
def initialize(firstname = Faker::Name.first_name, ...)
#firstname = firstname
# ...
end
You are just initializating the parameters in the initialize method and doing nothing with them.