diff --git a/03-roman-numerals/roman.py b/03-roman-numerals/roman.py
index 97341f2..d884199 100644
--- a/03-roman-numerals/roman.py
+++ b/03-roman-numerals/roman.py
@@ -1,22 +1,14 @@
-class my_int( int ):
+def roman( self ):
+	romanNum = []
+	symbols = ( ( 'M', 1000 ), ( 'C', 100 ), ( 'XC', 90 ), ( 'L', 50 ), ( 'X', 10 ),
+		( 'IX', 9 ), ('V', 5 ) , ( 'IV', 4 ), ( 'I', 1 ) )
 
-	def roman( self ):
-		romanNum = []
-		symbols = ( ( 'M', 1000 ), ( 'C', 100 ), ( 'XC', 90 ), ( 'L', 50 ), ( 'X', 10 ),
-			( 'IX', 9 ), ('V', 5 ) , ( 'IV', 4 ), ( 'I', 1 ) )
+	for symbol, value in symbols:
+		while self >= value:
+			self -= value
+			romanNum.append( symbol )
 
-		for symbol, value in symbols:
-			while self >= value:
-				self -= value
-				romanNum.append( symbol )
-
-		return ''.join( romanNum )
-
-n = my_int( 56 )
-print( n, n.roman() )
-
-# alias my_int.roman() not to change assert lines 
-roman = my_int.roman
+	return ''.join( romanNum )
 
 assert roman( 11 ) == "XI", "11 should return XI"
 assert roman( 60 ) == "LX", "60 should return LX"