Palindrome exercise

exercises/anagram.livemd

@@ -67,6 +67,7 @@ defmodule Anagram do
     true
   """
   def anagram?(string1, string2) do
+    String.to_charlist(string1) |> Enum.sort() == String.to_charlist(string2) |> Enum.sort()
   end
 
   @doc """
@@ -84,6 +85,7 @@ defmodule Anagram do
     []
   """
   def filter_anagrams(word_list, anagram) do
+    Enum.filter(word_list, fn word -> anagram?(word, anagram) end)
   end
 end
 ```

exercises/animal_generator.livemd

@@ -57,7 +57,13 @@ end
 Enter your solution below.
 
 ```elixir
+names = ["Clifford", "Zoboomafoo", "Leonardo"]
+animal_types = ["dog", "lemur", "turtle"]
+ages = 1..14
 
+for name <- names, animal_type <- animal_types, age <- ages do
+  %{name: name, animal_type: animal_type, age: age}
+end
 ```
 
 ## Mark As Completed

exercises/book_search.livemd

@@ -30,6 +30,8 @@ defmodule Book do
     iex> %Book{title: "My Book Title"}
     %Book{title: "My Book Title"}
   """
+  @enforce_keys [:title]
+  defstruct @enforce_keys
 
   @doc """
   Search a list of Book structs. Search should match any book that includes the
@@ -59,6 +61,7 @@ defmodule Book do
     [%Book{title: "ABC"}]
   """
   def search(books, query) do
+    Enum.filter(books, fn book -> Book[:title] == query end)
   end
 end
 ```

exercises/counting_votes.livemd

@@ -80,6 +80,7 @@ defmodule Votes do
     0
   """
   def count(votes, vote) do
+    Enum.count(Enum.filter(votes, fn item -> item == vote end))
   end
 end
 ```
@@ -120,6 +121,10 @@ defmodule VoterTally do
     %{dog: 2, cat: 3, bird: 1}
   """
   def tally(votes) do
+    dogs = Enum.count(Enum.filter(votes, fn item -> item == :dog end))
+    cats = Enum.count(Enum.filter(votes, fn item -> item == :cat end))
+    birds = Enum.count(Enum.filter(votes, fn item -> item == :bird end))
+    %{dog: dogs, cat: cats, bird: birds}
   end
 end
 ```

exercises/fizzbuzz.livemd

@@ -77,8 +77,18 @@ defmodule FizzBuzz do
     ["buzz", 11, "fizz", 13, 14, "fizzbuzz"]
   """
   def run(range) do
+    Enum.map(range, fn int ->
+      cond do
+        rem(int, 15) == 0 -> "fizzbuzz"
+        rem(int, 3) == 0 -> "fizz"
+        rem(int, 5) == 0 -> "buzz"
+        true -> int
+      end
+    end)
   end
 end
+
+FizzBuzz.run(1..15)
 ```
 
 ## Mark As Completed

exercises/named_number_lists.livemd

@@ -75,7 +75,22 @@ flowchart
 Enter your solution below.
 
 ```elixir
-
+rando = Enum.map(1..10, fn _ -> Enum.random(0..9) end)
+
+Enum.map(rando, fn int ->
+  case int do
+    0 -> "zero"
+    1 -> "one"
+    2 -> "two"
+    3 -> "three"
+    4 -> "four"
+    5 -> "five"
+    6 -> "six"
+    7 -> "seven"
+    8 -> "eight"
+    9 -> "nine"
+  end
+end)
 ```
 
 ## Mark As Completed

exercises/naming_numbers.livemd

@@ -72,7 +72,22 @@ naming_numbers.(1)
 Enter your solution below.
 
 ```elixir
+naming_numbers = fn integer ->
+  case integer do
+    0 -> "zero"
+    1 -> "one"
+    2 -> "two"
+    3 -> "three"
+    4 -> "four"
+    5 -> "five"
+    6 -> "six"
+    7 -> "seven"
+    8 -> "eight"
+    9 -> "nine"
+  end
+end
 
+naming_numbers.(1)
 ```
 
 ## Numbering Names
@@ -169,7 +184,22 @@ flowchart
 </details>
 
 ```elixir
+numbering_names = fn int_str ->
+  case String.downcase(int_str) do
+    "zero" -> 0
+    "one" -> 1
+    "two" -> 2
+    "three" -> 3
+    "four" -> 4
+    "five" -> 5
+    "six" -> 6
+    "seven" -> 7
+    "eight" -> 8
+    "nine" -> 9
+  end
+end
 
+numbering_names.("Nine")
 ```
 
 ## Mark As Completed

exercises/palindrome.livemd

@@ -70,6 +70,7 @@ defmodule Palindrome do
     false
   """
   def palindrome?(string) do
+    string == String.reverse(string)
   end
 end
 ```

exercises/rock_paper_scissors.livemd

@@ -54,7 +54,15 @@ Then, return the winning choice of either `:rock`, `:paper`, or `:scissors` that
 Enter your solution below.
 
 ```elixir
+player_choice = Enum.random([:rock, :paper, :scissors])
+
+IO.puts(player_choice)
 
+case player_choice do
+  :rock -> :paper
+  :paper -> :scissors
+  :scissors -> :rock
+end
 ```
 
 ## Create Two Player Rock Paper Scissors
@@ -107,7 +115,21 @@ Bind a `player1_choice` and `player2_choice` variable to `:rock`, `:paper`, or `
 Enter your solution below.
 
 ```elixir
-
+player1 = Enum.random([:rock, :paper, :scissors])
+IO.inspect(player1: player1)
+
+player2 = Enum.random([:rock, :paper, :scissors])
+IO.inspect(player2: player2)
+
+case {player1, player2} do
+  {:rock, :scissors} -> "Player 1 Wins!"
+  {:paper, :rock} -> "Player 1 Wins!"
+  {:scissors, :paper} -> "Player 1 Wins!"
+  {:rock, :paper} -> "Player 2 Wins!"
+  {:paper, :scissors} -> "Player 2 Wins!"
+  {:scissors, :rock} -> "Player 2 Wins!"
+  {same, same} -> "Draw"
+end
 ```
 
 ## Mark As Completed

exercises/rock_paper_scissors_lizard_spock.livemd

@@ -83,6 +83,17 @@ defmodule RockPaperScissorsLizardSpock do
     false
   """
   def beats?(guess1, guess2) do
+    {guess1, guess2} in [
+      {:rock, :scissors},
+      {:rock, :lizard},
+      {:paper, :rock},
+      {:paper, :spock},
+      {:scissors, :paper},
+      {:scissors, :lizards},
+      {:lizard, :paper},
+      {:lizard, :spock},
+      {:spock, :scissors}
+    ]
   end
 
   @doc """
@@ -99,9 +110,20 @@ defmodule RockPaperScissorsLizardSpock do
     iex> RockPaperScissorsLizardSpock.play(:lizard, :lizard)
     "Player 2 Wins!"
   """
+
   def play(player1, player2) do
+    cond do
+      beats?(player1, player2) -> "Player 1 Wins!"
+      not beats?(player1, player2) -> "Player 2 Wins!"
+    end
   end
 end
+
+RockPaperScissorsLizardSpock.play(:rock, :paper)
+```
+
+```elixir
+
 ```
 
 ## Mark As Completed

exercises/rpg_dialogue.livemd

@@ -82,7 +82,9 @@ defmodule Character do
   iex> %Character{name: "Frodo"}
   ** (ArgumentError) the following keys must also be given when building struct Character: [:name]
   """
-  defstruct []
+  @enforced_key [:name]
+
+  defstruct @enforced_key ++ [:class, :weapon]
 
   @doc """
   Introduce the character by name.
@@ -95,7 +97,8 @@ defmodule Character do
     iex> Character.introduce(%Character{name: "Aragorn"})
     "My name is Aragorn."
   """
-  def introduce(character) do
+  def introduce(char) do
+    "My name is #{char.name}."
   end
 
   @doc """
@@ -109,7 +112,8 @@ defmodule Character do
     iex> Character.attack(%Character{name: "Aragorn", weapon: "sword"})
     "I attack with my sword!"
   """
-  def attack(character) do
+  def attack(char) do
+    "I attack with my #{char.weapon}!"
   end
 
   @doc """
@@ -123,7 +127,8 @@ defmodule Character do
     iex> Character.class(%Character{name: "Aragorn", class: "ranger"})
     "I am a ranger."
   """
-  def class(character) do
+  def class(char) do
+    "I am a #{char.class}."
   end
 
   @doc """
@@ -137,9 +142,14 @@ defmodule Character do
     iex> Character.war_cry(%Character{name: "Aragorn", class: "ranger"})
     "My name is Aragorn and I am a ranger!"
   """
-  def war_cry(character) do
+  def war_cry(char) do
+    "My name is #{char.name} and I am a #{char.class}!"
   end
 
+  # def war_cry2(name, class) do
+  #   "My name is #{name} and I am a #{class}"
+  # end
+
   @doc """
   Declare that one character has defeated another.
 
@@ -151,9 +161,31 @@ defmodule Character do
     iex> Character.defeat(%Character{name: "Aragorn"}, %Character{name: "Gimli", class: "warrior"})
     "My name is Aragorn and I have defeated the warrior Gimli!"
   """
-  def defeat(character1, character2) do
+  def defeat(char1, char2) do
+    "My name is #{char1.name} and I have defeated the #{char2.class} #{char2.name}!"
   end
 end
+
+# defmodule Test do
+# import Character
+
+# def test do
+#   aragorn = %Character{name: "Aragorn", class: "ranger", weapon: "sword"}
+#   gandalf = %Character{name: "Gandalf", class: "wizard", weapon: "staff"}
+#   Character.introduce(aragorn)
+#   Character.attack(aragorn)
+#   Character.class(aragorn)
+#   Character.war_cry(aragorn)
+#   Character.war_cry2(aragorn.name, aragorn.class)
+#   Character.defeat(aragorn, gandalf)
+# end
+# end
+
+# Test.test
+```
+
+```elixir
+
 ```
 
 ### Bonus: Character Instances

progress.json

@@ -13,7 +13,7 @@
   "agents_and_ets_reading": false,
   "protocols_reading": false,
   "games_score_tracker_exercise": false,
-  "habit_tracker_exercise": false,
+  "habit_tracker_exercise": true,
   "reduce_reading": false,
   "code_editors_reading": false,
   "exdoc_reading": false,
@@ -58,13 +58,13 @@
   "math_with_guards_exercise": false,
   "pokemon_api_exercise": false,
   "file_search_exercise": false,
-  "animal_generator_exercise": false,
+  "animal_generator_exercise": true,
   "group_project_blog_exercise": false,
   "treasure_matching_exercise": false,
   "github_engineering_journal_exercise": false,
   "mailbox_server_exercise": false,
   "blog_posts_exercise": false,
-  "git_reading": false,
+  "git_reading": true,
   "named_number_lists_exercise": false,
   "big_o_notation_reading": false,
   "battle_map_exercise": false,
@@ -102,7 +102,7 @@
   "rdbms_reading": false,
   "fun_formulas_exercise": false,
   "rpg_dialogue_exercise": false,
-  "palindrome_exercise": false,
+  "palindrome_exercise": true,
   "comprehensions_reading": false,
   "comments_reading": false,
   "rock_paper_scissors_exercise": false,
@@ -129,7 +129,7 @@
   "naming_numbers_exercise": false,
   "deployment_exercise": false,
   "typespecs_reading": false,
-  "card_counting_exercise": false,
+  "card_counting_exercise": true,
   "math_with_protocols_exercise": false,
   "stack_server_exercise": false,
   "pokemon_battle_exercise": false,
@@ -145,7 +145,7 @@
   "task_drills_exercise": false,
   "monster_spawner_exercise": false,
   "metaprogramming_reading": false,
-  "start_here_reading": false,
+  "start_here_reading": true,
   "games_supervisor_setup_exercise": false,
   "pic_chat_pub_sub_reading": false,
   "lists_reading": false,
@@ -158,7 +158,7 @@
   "save_game_exercise": false,
   "document_tools_exercise": false,
   "factorial_exercise": false,
-  "livebook_reading": false,
+  "livebook_reading": true,
   "filter_values_by_type_exercise": false,
   "book_search_exercise": false,
   "guards_reading": false,