?? lex_dup2.py
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# lex_token.py## Duplicated rule specifiersimport lextokens = [ "PLUS", "MINUS", "NUMBER", ]t_PLUS = r'\+'t_MINUS = r'-'def t_NUMBER(t): r'\d+' passdef t_NUMBER(t): r'\d+' passdef t_error(t): passimport syssys.tracebacklimit = 0lex.lex()?? 快捷鍵說明
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