?? lex_token3.py
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# lex_token.py## tokens is right type, but is missing a token for one ruleimport lextokens = [ "PLUS", "NUMBER", ]t_PLUS = r'\+'t_MINUS = r'-'t_NUMBER = r'\d+'def t_error(t): passimport syssys.tracebacklimit = 0lex.lex()?? 快捷鍵說明
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