这是我对您的代码的修改。您应该考虑使用nltk。它具有更强大的单词标记化处理。
def main(): fileName= raw_input('Please enter the file name: ') validate_file(fileName) new_lines = convert_file(fileName) for line in new_lines: print linedef validate_file(fileName): try: inputFile= open(fileName, 'r') inputFile.close() except IOError: print('File not found.')def strip_punctuation(line): punctuation = '' line = line.strip() if len(line)>0: if line[-1] in ('.','!','?'): punctuation = line[-1] line = line[:-1] return line, punctuationdef convert_file(fileName): inputFile= open(fileName, 'r') converted_lines = [] for line in inputFile: line, punctuation = strip_punctuation(line) line = line.split() new_words = [] for word in line: endString= str(word[1:]) them=endString, str(word[0:1]), 'ay' new_word="".join(them) new_words.append(new_word) new_sentence = ' '.join(new_words) new_sentence = new_sentence.lower() if len(new_sentence): new_sentence = new_sentence[0].upper() + new_sentence[1:] converted_lines.append(new_sentence + punctuation) return converted_lines
