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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 run(self, s):
 """Split string ``s`` at delimiter, correctly interpreting quotes Further, interprets arrays wrapped in one level of ``[]``. No recursive brackets are interpreted (as this would make the grammar non-regular and currently this complexity is not needed). Currently, quoting inside of braces is not supported either. This is just to support the example from VCF v4.3. """

        begins, ends = [0], []
        # transition table
        DISPATCH = {
            self.NORMAL: self._handle_normal,
            self.QUOTED: self._handle_quoted,
            self.ARRAY: self._handle_array,
            self.DELIM: self._handle_delim,
            self.ESCAPED: self._handle_escaped,
        }
        # run state automaton
        state = self.NORMAL
        for pos, c in enumerate(s):
            state = DISPATCH[state](c, pos, begins, ends)
        ends.append(len(s))
        assert len(begins) == len(ends)
        # Build resulting list
        return [s[start:end] for start, end in zip(begins, ends)]