This Python program is designed to calculate the score of a list of words. The score is determined by the number of vowels in each word. If a word has an even number of vowels, it contributes 2 points to the total score. If a word has an odd number of vowels, it contributes 1 point to the total score.
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The solution works by iterating over each word in the input list. For each word, it counts the number of vowels using a helper function 'is_vowel'. This function checks if a letter is in the list of vowels ['a', 'e', 'i', 'o', 'u', 'y']. The number of vowels in a word is then used to calculate the score for that word. If the number of vowels is even, 2 points are added to the total score. If the number of vowels is odd, 1 point is added. The total score is then returned.
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 = sum(1 for letter in word if is_vowel(letter))
score += 2 if num_vowels % 2 == 0 else 1
return score
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