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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 validate_default_element(self, value):
 """Validate default element of Enum field. Enum fields allow for delayed resolution of default values when the type of the field has not been resolved. The default value of a field may be a string or an integer. If the Enum type of the field has been resolved, the default value is validated against that type. Args: value: Value to validate. Raises: ValidationError if value is not expected message type. """

        if isinstance(value, (six.string_types, six.integer_types)):
            # Validation of the value does not happen for delayed resolution
            # enumerated types.  Ignore if type is not yet resolved.
            if self.__type:
                self.__type(value)
            return value

        return super(EnumField, self).validate_default_element(value)