<p>我的代码是:</p>
<pre><code>sentenceToTranslate = raw_input("Please write in the sentence you want to translate: ")
words = sentenceToTranslate.split(" ")
for word in words:
if isVowel(word[0]):
print "TEST"
def isVowel(letter):
if letter.lower() == "a" or letter.lower() == "e" or letter.lower() == "i" or letter.lower() == "o" or letter.lower() == "u":
return True
else:
return False
</code></pre>
<p>我得到的错误是:</p>
<blockquote>
<p>NameError: name 'isVowel' is not defined</p>
</blockquote>
<p>我做错什么了?在</p>