擅长:python、mysql、java
<p>更简单的方法</p>
<pre><code>goodstr = 'aeiou'
badstr = 'aaeiou'
vowels = ['a','e','i','o','u'] # or a string "aeiou"
def fiveVowelsIsOneOfEach(word):
for vowel in vowels:
if word.count(vowel) != 1:
return False
return True
print(fiveVowelsIsOneOfEach(goodstr)) # returns True
print(fiveVowelsIsOneOfEach(badstr)) # returns False
</code></pre>