Develop a lexical analyzer for the grammar below $-$ complete scanner. Write a short report describing the work performed, include the source code files, and show the input and output. You must show the execution of this program by using appropriate input files and the program must show a list of the tokens scanned. Include the source program, input and output screenshots.

Grammar for the language

Lexical Analyzer

id $->$ letter

literal$\_$integer $->$ digit literal$\_$integer $|$ digit assignment$\_$operator $->=???$

le$\_$operator $-><=$

lt$\_$operator $-><$

ge$\_$operator $->>=$

gt$\_$operator $->>$

eq$\_$operator $->==$

ne$\_$operator $->$ ~$=$

add$\_$operator $->+$

sub$\_$operator $->-$

mul$\_$operator $->*$

div$\_$operator $->/$