Debugging!

Debugging/Words Score/Solution.py

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+def is_vowel(letter):
+    return letter in ['a', 'e', 'i', 'o', 'u', 'y']
+
+
+def score_words(words):
+    score = 0
+    for word in words:
+        num_vowels = 0
+        for letter in word:
+            if is_vowel(letter):
+                num_vowels += 1
+        if num_vowels % 2 == 0:
+            score += 2
+        else:
+            score += 1
+    return score
+