7 8import ply.lex as lex 9 10tokens = [ 11 "PLUS", 12 "MINUS", 13 "NUMBER", 14 ] 15 16t_PLUS = r'\+?' 17t_MINUS = r'-' 18t_NUMBER = r'(\d+)' 19 20def t_error(t): 21 pass 22
| 7 8import ply.lex as lex 9 10tokens = [ 11 "PLUS", 12 "MINUS", 13 "NUMBER", 14 ] 15 16t_PLUS = r'\+?' 17t_MINUS = r'-' 18t_NUMBER = r'(\d+)' 19 20def t_error(t): 21 pass 22
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