Solution

enumerables.rb

@@ -1,57 +1,42 @@
 require 'pry'
 
-# this method returns an array of hashes, which we'll use in the other methods
-def spicy_foods 
+def spicy_foods
   [
     { name: 'Green Curry', cuisine: 'Thai', heat_level: 9 },
     { name: 'Buffalo Wings', cuisine: 'American', heat_level: 3 },
     { name: 'Mapo Tofu', cuisine: 'Sichuan', heat_level: 6 }
   ]
 end
 
-# given an array of spicy foods, **return an array of strings**
-# with the names of each spicy food
 def get_names(spicy_foods)
-  # your code here
+  spicy_foods.map { |food| food[:name] }
 end
 
-# given an array of spicy foods, **return an array of hashes** 
-# where the heat level of the food is greater than 5
 def spiciest_foods(spicy_foods)
-  # your code here
+  spicy_foods.filter { |food| food[:heat_level] > 5 }
 end
 
-# given an array of spicy foods, **output to the terminal**
-# each spicy food in the following format: 
-# Buffalo Wings (American) | Heat Level: 🌶🌶🌶
-# HINT: you can use * with a string to produce the correct number of 🌶 emoji. 
-# "hello" * 3 == "hellohellohello"
 def print_spicy_foods(spicy_foods)
-  # your code here
+  spicy_foods.each do |food|
+    puts "#{food[:name]} (#{food[:cuisine]}) | Heat Level: #{"🌶" * food[:heat_level]}"
+  end
 end
 
-# given an array of spicy foods and a string representing a cuisine, **return a single hash**  
-# for the spicy food whose cuisine matches the cuisine being passed to the method
 def get_spicy_food_by_cuisine(spicy_foods, cuisine)
-  # your code here
+  spicy_foods.find { |food| food[:cuisine] == cuisine }
 end
 
-# Given an array of spicy foods, **return an array of hashes** 
-# sorted by heat level from lowest to highest
 def sort_by_heat(spicy_foods)
-  # your code here
+  spicy_foods.sort_by { |food| food[:heat_level] }
 end
 
-# given an array of spicy foods, output to the terminal ONLY 
-# the spicy foods that have a heat level greater than 5, in the following format: 
-# Buffalo Wings (American) | Heat Level: 🌶🌶🌶
-# HINT: Try to use methods you've already written to solve this!
 def print_spiciest_foods(spicy_foods)
-  # your code here
+  spiciest_foods = spiciest_foods(spicy_foods)
+  print_spicy_foods(spiciest_foods)
 end
 
-# given an array of spicy foods, return an integer representing 
-# the average heat level of all the spicy foods in the array
 def average_heat_level(spicy_foods)
-  # your code here
+  sum_of_heat_level = spicy_foods.sum { |food| food[:heat_level] }
+
+  sum_of_heat_level / spicy_foods.count
 end

spec/enumerables_spec.rb

@@ -10,27 +10,27 @@
 end
 
 describe '#spiciest_foods' do
-  
+
   it 'return an array of hashes where the heat level of the food is greater than 5' do
     expect(spiciest_foods(spicy_foods)).to eq([
       { name: 'Green Curry', cuisine: 'Thai', heat_level: 9 },
-      { name: 'Mapo Tofu', cuisine: 'Sichuan', heat_level: 6 } 
+      { name: 'Mapo Tofu', cuisine: 'Sichuan', heat_level: 6 }
     ])
   end
 
 end
 
 describe '#print_spicy_foods' do
-  
+
   it 'outputs the spicy foods to the terminal in the specified format' do
     output_str = "Green Curry (Thai) | Heat Level: 🌶🌶🌶🌶🌶🌶🌶🌶🌶\nBuffalo Wings (American) | Heat Level: 🌶🌶🌶\nMapo Tofu (Sichuan) | Heat Level: 🌶🌶🌶🌶🌶🌶\n"
     expect { print_spicy_foods(spicy_foods) }.to output(output_str).to_stdout
   end
-  
+
 end
 
 describe '#get_spicy_food_by_cuisine' do
-  
+
   it 'returns a single hash for the spicy food whose cuisine matches the cuisine being passed to the method' do
     expect(get_spicy_food_by_cuisine(spicy_foods, "Sichuan")).to eq({ name: 'Mapo Tofu', cuisine: 'Sichuan', heat_level: 6 })
     expect(get_spicy_food_by_cuisine(spicy_foods, "Thai")).to eq({ name: 'Green Curry', cuisine: 'Thai', heat_level: 9 })
@@ -39,7 +39,7 @@
 end
 
 describe '#sort_by_heat' do
-  
+
   it 'return an array of hashes sorted by heat level from lowest to highest' do
     sorted_array = [
       { name: 'Buffalo Wings', cuisine: 'American', heat_level: 3 },
@@ -52,18 +52,18 @@
 end
 
 describe '#print_spiciest_foods' do
-  
+
   it 'outputs ONLY the spicy foods that have a heat level greater than 5 to the terminal in the specified format' do
     output_str = "Green Curry (Thai) | Heat Level: 🌶🌶🌶🌶🌶🌶🌶🌶🌶\nMapo Tofu (Sichuan) | Heat Level: 🌶🌶🌶🌶🌶🌶\n"
     expect { print_spiciest_foods(spicy_foods) }.to output(output_str).to_stdout
   end
-  
+
 end
 
 describe '#average_heat_level' do
-  
+
   it 'returns an integer representing the average heat level of all the spicy foods in the array' do
     expect(average_heat_level(spicy_foods)).to eq(6)
   end
-  
+
 end