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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_ip_address(self, x, y):
 """Get the IP address of a particular SpiNNaker chip's Ethernet link. Returns ------- str or None The IPv4 address (as a string) of the chip's Ethernet link or None if the chip does not have an Ethernet connection or the link is currently down. """

        chip_info = self.get_chip_info(x=x, y=y)
        return chip_info.ip_address if chip_info.ethernet_up else None