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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_config_item(self, key):
 """ Returns the value for a given config key. A list is returned when multiple values are set. """

        value = _lxc.Container.get_config_item(self, key)

        if value is False:
            return False
        elif value.endswith("\n"):
            return value.rstrip("\n").split("\n")
        else:
            return value