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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _build(verbose=False):
 """Build the LEX and YACC table modules for the MOF compiler, if they do not exist yet, or if their table versions do not match the installed version of the `ply` package. """


    if verbose:
        print(
            _format("Building LEX/YACC modules for MOF compiler in: {0}",
                    _tabdir))

    _yacc(verbose)
    _lex(verbose)