1# lex_ignore.py 2# 3# Improperly specific ignore declaration 4 5import sys 6if ".." not in sys.path: sys.path.insert(0,"..") 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_ignore(t): 21 ' \t' 22 pass 23 24def t_error(t): 25 pass 26 27import sys 28 29lex.lex() 30 31 32