# lex_token4.py # # Bad token name import sys if ".." not in sys.path: sys.path.insert(0,"..") import ply.lex as lex tokens = [ "PLUS", "MINUS", "-", "NUMBER", ] t_PLUS = r'\+' t_MINUS = r'-' t_NUMBER = r'\d+' def t_error(t): pass lex.lex()