1# lex_token3.py
2#
3# tokens is right type, but is missing a token for one rule
4
5import sys
6if ".." not in sys.path: sys.path.insert(0,"..")
7
8import ply.lex as lex
9
10tokens = [
11    "PLUS",
12    "NUMBER",
13    ]
14
15t_PLUS = r'\+'
16t_MINUS = r'-'
17t_NUMBER = r'\d+'
18
19def t_error(t):
20    pass
21
22lex.lex()
23
24
25