Design a Lexical analyzer using Lex, flex or other lexical analyzer generating tools.

a$.$ The lexical analyzer should ignore redundant blanks, tabs and new lines. It

should also ignore comments. Although the syntax specification s those

identifiers can be arbitrarilylong, you may restrict the length to some reasonable

Value.

b$.$ Implement a LEX code to construct a DFA which accepts the language: all the

stringsending with $00$ over inputs $0$ and $1$