Done

01-title_case/title.py

@@ -1,7 +1,16 @@
 #!/usr/bin/env python3
 
-def titlecase( string, exceptions ):
-  pass
+def titlecase( sentence, exceptions ):
+  sentence = sentence.lower().split(' ')
+  out = [sentence[0].title()]
+
+  for word in sentence[1:]:
+    if word in exceptions:
+      out.append(word)
+    else:
+      out.append(word.title())
+
+  return ' '.join(out)
 
 assert( titlecase( 'the quick brown fox jumps over the lazy dog', ['jumps', 'the', 'over'] ) ==	'The Quick Brown Fox jumps over the Lazy Dog' )
 assert( titlecase( 'THE vitamins ARE IN my fresh CALIFORNIA raisins', ['are', 'is', 'in', 'your', 'my'] ) == 'The Vitamins are in my Fresh California Raisins' )