diff --git a/is_anagram/anagram.py b/is_anagram/anagram.py
index 94e1c46..16c81b2 100644
--- a/is_anagram/anagram.py
+++ b/is_anagram/anagram.py
@@ -7,4 +7,16 @@ def is_anagram_v1(string1, string2):
     return letters1 == letters2
 
 
-is_anagram = is_anagram_v1
+def is_anagram_v2(string1, string2):
+    """Returns True if both strings are anagrams."""
+    letters1 = {
+        l: string1.lower().count(l) for l in set(string1.lower()) if l.isalpha()
+    }
+    letters2 = {
+        l: string2.lower().count(l) for l in set(string2.lower()) if l.isalpha()
+    }
+
+    return letters1 == letters2
+
+
+is_anagram = is_anagram_v2
diff --git a/is_anagram/test_is_anagram.py b/is_anagram/test_is_anagram.py
index 662eecc..c5905fe 100644
--- a/is_anagram/test_is_anagram.py
+++ b/is_anagram/test_is_anagram.py
@@ -25,7 +25,7 @@ class IsAnagramTests(unittest.TestCase):
         self.assertTrue(is_anagram("Listen", "silent"))
 
     # To test the Bonus part of this exercise, comment out the following line
-    @unittest.expectedFailure
+    # @unittest.expectedFailure
     def test_spaces_ignored(self):
         phrase1 = "William Shakespeare"
         phrase2 = "I am a weakish speller"
@@ -33,7 +33,7 @@ class IsAnagramTests(unittest.TestCase):
         self.assertFalse(is_anagram("a b c", "a b d"))
 
     # To test the Bonus part of this exercise, comment out the following line
-    @unittest.expectedFailure
+    # @unittest.expectedFailure
     def test_punctation_ignored(self):
         phrase1 = "A diet"
         phrase2 = "I'd eat"