说明：  对文件中的数据进行哈夫曼编码和解码,列出给定数据的权重,列出左右孩子和父亲节点的列表,对任意数据进行进行哈夫曼编码和解码
(to document the data Huffman coding and decoding, data presents given weight, shown around children and the father node list of arbitrary data for Huffman coding and decoding)