Please answer each question in complete paragraph. Do not repeat the questions. All answers should be followed by a reference
test1.txt // Function with Arithmetic Expression function main returns integer; begin 7 + 2 * (5 + 4); end;test2.txt // Function with a
test1.txt // Function with Arithmetic Expression function main returns integer; begin 7 + 2 * (5 + 4); end; test2.txt // Function with a lexical error function main returns integer; begin 7 * 2 $ (2 + 4); end; test3.txt // Punctuation symbols ,;() => // Identifier name name123 //