Gorev sanıyorum tamamlandı..

Gemfile.lock

@@ -1,4 +1,5 @@
 GEM
+  remote: https://rubygems.org/
   specs:
     minitest (5.8.1)
 

address_book.rb

@@ -1,13 +1,30 @@
+require "./person.rb"
+require "csv"
+
 class AddressBook
+  attr_accessor :people
   def initialize(csv_path)
-
+    @people = {}
+    csv = CSV.read(csv_path)
+    csv.shift
+    csv.each do |csv_satir|
+      @people[csv_satir[0]] = Person.new(csv_satir[0],csv_satir[1],csv_satir[2],csv_satir[3])
+    end
   end
 
   def print_people
+    @people.each do |key, person|
+      puts "#{person.id},#{person.full_name},#{person.phone_number},#{person.city}"
+    end
 
   end
 
   def search_person(person_name)
-
+    @people.each do |key,person|
+      if person.full_name.to_s.include? person_name
+        puts "#{person.id},#{person.full_name},#{person.phone_number},#{person.city}" if person.full_name.include? person_name
+      end
+    end
+    puts "#{person_name} ismi yok!"
   end
 end

person.rb

@@ -1,3 +1,9 @@
 class Person
-
+  attr_accessor :id, :full_name, :phone_number, :city
+  def initialize(id,full_name,phone_number,city)
+    @id = id
+    @full_name = full_name
+    @phone_number = phone_number
+    @city = city    
+  end
 end