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# lex_token.py # # Duplicated rule specifiers import lex tokens = [ "PLUS", "MINUS", "NUMBER", ] t_PLUS = r'\+' t_MINUS = r'-' t_NUMBER = r'\d+' def t_NUMBER(t): r'\d+' pass def t_error(t): pass import sys sys.tracebacklimit = 0 lex.lex()