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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 load( cls, name=None, parent_name=None, profile_is_live=False, values=None, defaults=None ) -> "EnvvarProfile": """ Get a loaded frozen instance of a specific profile. """

        instance = cls(
            name=name,
            parent_name=parent_name,
            profile_is_live=profile_is_live,
            values=values,
            defaults=defaults,
        )
        instance._do_load()
        return instance