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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_ipaddress(node):
 """Adds the ipaddress attribute to the given node object if not already present and it is correctly given by ohai Returns True if ipaddress is added, False otherwise """

    if "ipaddress" not in node:
        with settings(hide('stdout'), warn_only=True):
            output = sudo('ohai -l warn ipaddress')
        if output.succeeded:
            try:
                node['ipaddress'] = json.loads(output)[0]
            except ValueError:
                abort("Could not parse ohai's output for ipaddress"
                      ":\n  {0}".format(output))
            return True
    return False