diff --git a/letsdrill.rb b/letsdrill.rb
index 9371cf5..1347d9a 100644
--- a/letsdrill.rb
+++ b/letsdrill.rb
@@ -1,24 +1,35 @@
 def get_letter_grade(integer)
- 
-  #Put your code here!
+
+  case integer
+  when 90..100
+    "A"
+  when 80..89
+    "B"
+  when 70..79
+    "C"
+  when 60..69
+    "D"
+  when 0..59
+    "F"
+  end
 
 end
 
 def shortest_string(array)
 
-  #Put your code here!
+  array.min_by{|a| a.length}
 
 end
- 
+
 
 
 ### Don't touch anything below this line ###
- 
+
 p "Fetch Letter Grade: You should have 2 trues"
-p get_letter_grade(89) == "B" 
-p get_letter_grade(73) == "C" 
+p get_letter_grade(89) == "B"
+p get_letter_grade(73) == "C"
 p
 p "Shortest String: You should have 3 trues"
 p shortest_string(["touch","this", "car"]) == "car"
-p shortest_string([]) == nil 
-p shortest_string(["can", "a", "solve", "Find", "solution"]) == "a" 
+p shortest_string([]) == nil
+p shortest_string(["can", "a", "solve", "Find", "solution"]) == "a"