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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 jsonarrindex(self, name, path, scalar, start=0, stop=-1):
 """ Returns the index of ``scalar`` in the JSON array under ``path`` at key ``name``. The search can be limited using the optional inclusive ``start`` and exclusive ``stop`` indices. """

        return self.execute_command('JSON.ARRINDEX', name, str_path(path), self._encode(scalar), start, stop)