说明： 对任意输入的一段英文，为每个字符编制其相应的赫夫曼编码；并利用该编码为任意输入的0、1序列进行解码． (the indiscriminate importation of the English section to the preparation of each character corresponding Hefuman coding; The coding and use of indiscriminate importation of 0, a sequence decoder.)
