csv-parsing.rb

# './people.csv' file contents
# 
# name,age,hometown
# Tina,22,London
# Jim,32,Manchester
# Harriet,41,Swansea

# declare the Person class in ./person.rb

class Person 
  def initialize(args)
    @name = args['name']
    @age = args['age'].to_i
    @hometown = args['hometown']
  end
  
  def summarize
    puts "#{name} is #{age} years old and lives in #{hometown}."
  end

  private

  attr_reader :name, :age, :hometown
end

# csv-parser.rb
# Read the csv file and instantiate new People, then print a summary about each one

require 'csv'
require_relative './person.rb'

csv = CSV.read('people.csv', headers: true)

people = csv.map { |person| Person.new(person.to_h) }

people.map(&:summarize)

#prints 
# Tina is 22 years old and lives in London.
# Jim is 32 years old and lives in Manchester.
# Harriet is 41 years old and lives in Swansea.