从文本文件中提取文本，从一个单词开始，到另一行另一个单词结束

def extract_text_from_file(file_path, start_word, end_word):
    extracted_text = ""
    with open(file_path, 'r') as file:
        for line in file:
            if start_word in line:
                extracted_text += line[line.index(start_word):].strip() + "\n"
            elif end_word in line:
                extracted_text += line[:line.index(end_word)].strip() + "\n"
                break
            else:
                extracted_text += line.strip() + "\n"
    return extracted_text

file_path = "example.txt"
start_word = "start"
end_word = "end"

extracted_text = extract_text_from_file(file_path, start_word, end_word)
print(extracted_text)