In programming language concepts lexical analyzer system for simple +,-,*,/,%,(),=,==,<,<=,>,>=,&&,||,int number,string text, a = 10, a=10.2 Write in C code that is able to read a file, parse that file for the above-listed tokens, and output an ordered list of these tokens. output should be Next token is: 25 Next lexeme is ( Next token is: 11 Next lexeme is sum Next token is: 21 Next lexeme is + Next token is: 10 Next lexeme is 47 Next token is: 26 Next lexeme is ) Next token is: 24 Next lexeme is / Next token is: 11 Next lexeme is total Next token is: -1 Next lexeme is EOF

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Variables and Constant

Constants and variables are widely used in mathematical equations and expressions. They are also commonly found in the domain of programming, where each language has its own way to differentiate between a constant and a variable. Since they have all sorts of applications, knowing their differences is a good place to start.