使包含字符串句子的列表成为二维列表

def convert_to_2d_list(sentences):
    result = []
    for sentence in sentences:
        words = sentence.split()  # 将句子拆分成单词
        result.append(words)  # 将单词列表添加到结果列表中
    return result

# 示例用法
sentences = ["Hello world", "This is a sentence", "Another example"]
two_dimensional_list = convert_to_2d_list(sentences)
print(two_dimensional_list)

[['Hello', 'world'], ['This', 'is', 'a', 'sentence'], ['Another', 'example']]