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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 _find_symbol(self, module, name, fallback=None):
 """ Find the symbol of the specified name inside the module or raise an exception. """

        if not hasattr(module, name) and fallback:
            return self._find_symbol(module, fallback, None)
        return getattr(module, name)