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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 GetIPAddresses(self):
 """Return a list of IP addresses."""

    results = []
    for address in self.addresses:
      human_readable_address = address.human_readable_address
      if human_readable_address is not None:
        results.append(human_readable_address)

    return results