# lex_token.py # # Return a bad token name import sys sys.path.insert(0,"..") import ply.lex as lex tokens = [ "PLUS", "MINUS", "NUMBER", ] t_PLUS = r'\+' t_MINUS = r'-' def t_NUMBER(t): r'\d+' t.type = "NUM" return t def t_error(t): pass sys.tracebacklimit = 0 lex.lex() lex.input("1234") t = lex.token()