詞法分析器（Lexical Analyzer）【Python實現】

查看正文內容git from __future__ import print_function import sys # following two must remain in the same order tk_EOI, tk_Mul, tk_Div, tk_Mod, tk_Add, tk_Sub, tk_Negate, tk_Not, tk_Lss, tk_Leq, tk_Gtr,

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