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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 get_environ(self, parent_environ=None):
 """Get the environ dict resulting from interpreting this context. @param parent_environ Environment to interpret the context within, defaults to os.environ if None. @returns The environment dict generated by this context, when interpreted in a python rex interpreter. """

        interp = Python(target_environ={}, passive=True)
        executor = self._create_executor(interp, parent_environ)
        self._execute(executor)
        return executor.get_output()