CSCI312 Homework 4- Extending the lex/yacc Scheme AE parser to WAE Solution

File names: Names of files and variables, when specified, must be EXACTLY as specified. This includes simple mistakes such as capitalization.
Project: Extend the lex/yacc style Scheme parser found in AElexyacc.rkt to handle the WAE language from the text.
Put all your lexer and parser code into WAElexyacc.rkt and a test suite of your design into WAElexyacc-test.rkt.
Zip both files into the folder csci312hw04<yourname> and submit to canvas.
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