这是我的代码:
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
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我得到的错误是:
NameError:未定义名称"isVowel"
我究竟做错了什么?