Exercise $1$ : exercise $10\mathrm{.}3$ page $456(10\mathrm{.}3$ page $518$ on $4$ th ed$.)[6$pts$]$

A file contains only colons, spaces, newlines, commas, and digits in the following frequency : colon $(100),$ space $(605),$ newline $(100),$ comma $(705),0(431),1(242),2(176),3(59),4(185),5(250),6(174),7(199),8(205),9(217).$ Construct the Huffman code.