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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 _set_config_path(self):
 """ Reads config path from environment variable CLOEEPY_CONFIG_PATH and sets as instance attr """

        self._path = os.getenv("CLOEEPY_CONFIG_PATH")
        if self._path is None:
            msg = "CLOEEPY_CONFIG_PATH is not set. Exiting..."
            sys.exit(msg)