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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 create_customer_gateway(self, type, ip_address, bgp_asn):
 """ Create a new Customer Gateway :type type: str :param type: Type of VPN Connection. Only valid valid currently is 'ipsec.1' :type ip_address: str :param ip_address: Internet-routable IP address for customer's gateway. Must be a static address. :type bgp_asn: str :param bgp_asn: Customer gateway's Border Gateway Protocol (BGP) Autonomous System Number (ASN) :rtype: The newly created CustomerGateway :return: A :class:`boto.vpc.customergateway.CustomerGateway` object """

        params = {'Type' : type,
                  'IpAddress' : ip_address,
                  'BgpAsn' : bgp_asn}
        return self.get_object('CreateCustomerGateway', params, CustomerGateway)