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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 _find_usage_gateways(self):
 """find usage for Internet Gateways"""

        # Internet gateways
        gws = self.conn.describe_internet_gateways()
        self.limits['Internet gateways']._add_current_usage(
            len(gws['InternetGateways']),
            aws_type='AWS::EC2::InternetGateway',
        )