From 88d121ca63f77ceb7e823af06933f2ed780a0b85 Mon Sep 17 00:00:00 2001
From: sheshtawy <hisham.elsheshtawy@gmail.com>
Date: Thu, 7 Jun 2018 16:11:34 -0400
Subject: [PATCH 1/4] Solve all Enumerables challenges

---
 challenge.rb | 79 +++++++++++++++++++++++++++-------------------------
 1 file changed, 41 insertions(+), 38 deletions(-)

diff --git a/challenge.rb b/challenge.rb
index 0585882..1035283 100644
--- a/challenge.rb
+++ b/challenge.rb
@@ -1,40 +1,43 @@
 
 def capitalize_each_string(input)
-  #implement your solution here
-end
-
-def fetch_the_dog(input)
-  #implement your solution here
-end
-
-def no_dogs_allowed(input)
-  #implement your solution here
-end
-
-def count_the_animals(input)
-  #implement your solution here
-end
-
-def fetch_the_first_two(input)
-  #implement your solution here
-end
-
-def fetch_CD_animals(input)
-  #implement your solution here
-end
-
-## DO NOT CHANGE CODE BELOW THIS LINE ##
-
-animals = ["cat", "moose", "dog", "bird"]
-
-p capitalize_each_string(animals) == ["Cat", "Moose", "Dog", "Bird"]
-
-p fetch_the_dog(animals) == ["dog"] 
-
-p no_dogs_allowed(animals) == ["cat", "moose", "bird"]
-
-p count_the_animals(animals) == 4
-
-p fetch_the_first_two(animals)  == ["cat", "moose"]
-
-p fetch_CD_animals(animals) == ["cat", "dog"]
+    input.map { |item| item.capitalize }
+  end
+  
+  def fetch_the_dog(input)
+    input.find_all { |animal| animal == "dog" }
+  end
+  
+  def no_dogs_allowed(input)
+    input = input.dup
+    input.delete("dog")
+    return input
+  end
+  
+  def count_the_animals(input)
+    input.length
+  end
+  
+  def fetch_the_first_two(input)
+    input[0, 2]
+  end
+  
+  def fetch_CD_animals(input)
+    input.find_all { |animal| animal.start_with?("c", "d")}
+  end
+  
+  ## DO NOT CHANGE CODE BELOW THIS LINE ##
+  
+  animals = ["cat", "moose", "dog", "bird"]
+  
+  p capitalize_each_string(animals) == ["Cat", "Moose", "Dog", "Bird"]
+  
+  p fetch_the_dog(animals) == ["dog"] 
+  
+  p no_dogs_allowed(animals) == ["cat", "moose", "bird"]
+  
+  p count_the_animals(animals) == 4
+  
+  p fetch_the_first_two(animals)  == ["cat", "moose"]
+  
+  p fetch_CD_animals(animals) == ["cat", "dog"]
+  
\ No newline at end of file

From 313631b15e1363c0002408422fcf9c0a5dcc350f Mon Sep 17 00:00:00 2001
From: sheshtawy <hisham.elsheshtawy@gmail.com>
Date: Fri, 8 Jun 2018 11:53:20 -0400
Subject: [PATCH 2/4] Use Enumerable method reject instead of delete

---
 challenge.rb | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/challenge.rb b/challenge.rb
index 1035283..6b81ee8 100644
--- a/challenge.rb
+++ b/challenge.rb
@@ -8,9 +8,7 @@ def fetch_the_dog(input)
   end
   
   def no_dogs_allowed(input)
-    input = input.dup
-    input.delete("dog")
-    return input
+    input.reject { |animal| animal == "dog" }
   end
   
   def count_the_animals(input)

From 4db11cc356d8077a32f19db78636cbfcd3a47148 Mon Sep 17 00:00:00 2001
From: sheshtawy <hisham.elsheshtawy@gmail.com>
Date: Fri, 8 Jun 2018 11:55:32 -0400
Subject: [PATCH 3/4] Use grep istead of find_all

---
 challenge.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/challenge.rb b/challenge.rb
index 6b81ee8..8e9efe4 100644
--- a/challenge.rb
+++ b/challenge.rb
@@ -20,7 +20,7 @@ def fetch_the_first_two(input)
   end
   
   def fetch_CD_animals(input)
-    input.find_all { |animal| animal.start_with?("c", "d")}
+    input.grep(/^[c,d]/)
   end
   
   ## DO NOT CHANGE CODE BELOW THIS LINE ##

From 1b89d555db280adc424e66043467a6626cd0a621 Mon Sep 17 00:00:00 2001
From: sheshtawy <hisham.elsheshtawy@gmail.com>
Date: Fri, 8 Jun 2018 11:59:17 -0400
Subject: [PATCH 4/4] Use select instead of find_all

---
 challenge.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/challenge.rb b/challenge.rb
index 8e9efe4..3287210 100644
--- a/challenge.rb
+++ b/challenge.rb
@@ -4,7 +4,7 @@ def capitalize_each_string(input)
   end
   
   def fetch_the_dog(input)
-    input.find_all { |animal| animal == "dog" }
+    input.select { |animal| animal == "dog" }
   end
   
   def no_dogs_allowed(input)