Assignment 1: Problem Description In this assignment, your job is to program a simple lexical analyzer that will build a symbol table from given stream of chars. You will need to read a file named "input.txt" to collect all chars. For simplicity, input file will be a C program without headers and methods. Then you will identify all the numerical values, identifiers, keywords, math operators, logical operators and others Page 2 of [distinct]. See the example for more details. You can assume that, there will be a space after each keywords. But, removal of space will add bonus point