一个可以读出“test.html”的程序，该程序能够识别brand（品牌）,price（价格）,capacity（容量）等信息，并命名此程序为“man_lex.c”(A program that can read "test.html" can recognize brand (brand), price (price), capacity (capacity) and other information, and named this program as "man_lex.c".)