code: def has_pair(ip, alias):
      '''
      Return true if the alias is set
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' hosts.has_pair <ip> <alias>
      '''
      hosts = _list_hosts()
      try:
          return alias in hosts[ip]
      except KeyError:
          return Falsf has_pair(ip, alias):
      '''
      Return true if the alias is set
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' hosts.has_pair <ip> <alias>
      '''
      hosts = _list_hosts()
      try:
          return alias in hosts[ip]
      except KeyError:
          return False
docs: Return true if the alias is set
  
      CLI Example:
  
      .. code-block:: bash
  
          salt '*' hosts.has_pair <ip> <alias>