done

data-collections.md

@@ -9,89 +9,89 @@ planeteers = ["Earth", "Wind", "Captain Planet", "Fire", "Water"]
 Access the second value in `planeteers`.
 
 ```rb
-# Your answer here
+# planeteers[0]
 ```
 
 Add "Heart" to the end of `planeteers`.
 
 ```rb
-# Your answer here
+# planeteers << "Heart"
 ```
 
 Remove "Captain Planet" from the array (without using a method).
 
 ```rb
-# Your answer here
+# planeteers -= ["Captain Planet"]
 ```
 
 Combine `planeteers` with `rangers = ["Red", "Blue", "Pink", "Yellow", "Black"]` and save the result in a variable called `heroes`.
 
 ```rb
-# Your answer here
+# heroes = planeteers + rangers
 ```
 
 Alphabetize the contents of `heroes` using a method. [The Ruby documentation might help](http://ruby-doc.org/core-2.2.0/Array.html).
 
 ```rb
-# Your answer here
+# heroes.sort
 ```
 
 Randomize the contents of `heroes` using a method. [The Ruby documentation might help](http://ruby-doc.org/core-2.2.0/Array.html).
 
 ```rb
-# Your answer here
+# heroes.shuffle
 ```
 
 #### Bonus
 
 Select a random element from `heroes` using a method. [The Ruby documentation might help](http://ruby-doc.org/core-2.2.0/Array.html).
 
 ```rb
-# Your answer here
+# heroes.sample
 ```
 
 Select all elements in `heroes` that begin with "B" using a method. [The Ruby documentation might help](http://ruby-doc.org/core-2.2.0/Array.html).
 
 ```rb
-# Your answer here
+#
 ```
 
 ### Hashes
 
 Initialize a hash called `ninja_turtle` with the properties `name`, `weapon` and `radical`. They should have values of "Michelangelo", "Nunchuks" and `true` respectively.
 
 ```rb
-# Your answer here
+# ninja_turtle = {:name => "Michelangelo", :weapon => "Nunchuks", :radical => true}
 ```
 
 Add a key `age` to `ninja_turtle`. Set it to whatever numerical value you'd like.
 
 ```rb
-# Your answer here
+# ninja_turtle = ninja_turtle.merge(:age=>3)
 ```
 
 Remove the `radical` key-value pair from `ninja_turtle`.
 
 ```rb
-# Your answer here
+# ninja_turtle.delete(:radical)
 ```
 
 Add a key `pizza_toppings` to `ninja_turtle`. Set it to an array of strings (e.g., `["cheese", "pepperoni", "peppers"]`).
 
 ```rb
-# Your answer here
+# ninja_turtle = ninja_turtle.merge(:pizza_toppings => ["cheese", "pepperoni","peppers"])
 ```
 
 Access the first element of `pizza_toppings`.
 
 ```rb
-# Your answer here
+# ninja_turtle[:pizza_toppings][0]
 ```
 
 Produce an array containing all of `ninja_turtle`'s keys using a method. [The Ruby documentation might help](http://ruby-doc.org/core-1.9.3/Hash.html).
 
 ```rb
-# Your answer here
+# ninja_turtle.keys
 ```
 
 #### Bonus

data-types.md

@@ -10,44 +10,43 @@
 2 ** 3
 ```
 ```text
-Your answer.
+8
 ```
 
 ```rb
 ((16 / 4) * (2 + 1)) ** 2
-```
 ```text
-Your answer.
+144
 ```
 
 ```rb
 ("a milli " + "a milli") * 3
 ```
 ```text
-Your answer.
+a milli a millia milli a millia milli a milli
 ```
 
 ```rb
 ("a milli " * 4) / 2
 ```
 ```text
-Your answer.
+Error out
 ```
 
 ```rb
 my_favorite_number = 13
 puts "My favorite number is: " + my_favorite_number
 ```
 ```text
-Your answer.
-```
+Error out
+ ```
 
 ```rb
 my_favorite_number = 13
 puts "My favorite number is: #{my_favorite_number}"
 ```
 ```text
-Your answer.
+My favorite number is: 13
 ```
 
 ### Truthiness and Falsiness
@@ -78,7 +77,7 @@ if no_name
 end
 ```
 ```text
-Your answer.
+My name is:
 ```
 
 ```rb
@@ -88,7 +87,7 @@ if no_name
 end
 ```
 ```text
-Your answer.
+nil
 ```
 
 ```rb
@@ -98,8 +97,7 @@ if age
 end
 ```
 ```text
-Your answer.
-```
+error ```
 
 ```rb
 age = gets.chomp
@@ -108,7 +106,7 @@ if age
 end
 ```
 ```text
-Your answer.
+nothing 
 ```
 
 ### Conditionals