diff --git a/lib/introduction.rb b/lib/introduction.rb
index 2b78f015..0242e0c7 100644
--- a/lib/introduction.rb
+++ b/lib/introduction.rb
@@ -3,8 +3,17 @@
 # thing is NOT to "complete labs," the important thing is to learn the skills you need
 # in order to complete the rest of this course and be ready for the next course!
 
+def introduction(name)
+puts "Hi, my name is {name}."
+end
 
+def introduction_with_language(name, language)
+  puts "Hi, my name is {name} and I am learning to program in {language}."
+end
 
+def introduction_with_language_optional(name, language="Ruby")
+  puts "Hi, my name is {name} and I am learning to program in {language}."
+end
 
 
 
@@ -83,14 +92,14 @@
 
 
 
-# def introduction(name)
-#  puts "Hi, my name is #{name}."
-#end
+def introduction(name)
+  puts "Hi, my name is #{name}."
+end
 
-#def introduction_with_language(name, language)
-#  puts "Hi, my name is #{name} and I am learning to program in #{language}."
-#end
+def introduction_with_language(name, language)
+  puts "Hi, my name is #{name} and I am learning to program in #{language}."
+end
 
-#def introduction_with_language_optional(name, language="Ruby")
-#  puts "Hi, my name is #{name} and I am learning to program in #{language}."
-#end
+def introduction_with_language_optional(name, language="Ruby")
+  puts "Hi, my name is #{name} and I am learning to program in #{language}."
+end