Part I: Lexical Analysis of Mython You will use JFLex to capture the tokens of the language. To do this, you need to define a constant value associated with each token, so that you can return this value every time your parser needs a new token. 2 Keywords: def, if, then, else, repeat, until. 2 Punctuation elements: ():,; 2 Operators: 5, +, - ,*,), == , >,=, != 2 Identifiers: String of alphanumeric (and _) starting with an alphabetic character 2 Literals: integer only Part I: Lexical Analysis of Mython You will use JFLex to capture the tokens of the language. To do this, you need to define a constant value associated with each token, so that you can return this value every time your parser needs a new token. 2 Keywords: def, if, then, else, repeat, until. 2 Punctuation elements: ():,; 2 Operators: 5, +, - ,*,), == , >,=, != 2 Identifiers: String of alphanumeric (and _) starting with an alphabetic character 2 Literals: integer only