parameters: (self)
return_statement: return self in self._constants._loopback_network
docstring: Test if the address is a loopback address.
  
          Returns:
              A boolean, True if the address is a loopback per RFC 3330.
docstring_summary: Test if the address is a loopback address.
docstring_tokens: Test if the address is a loopback address .
function: def is_loopback(self):
          """Test if the address is a loopback address.
  
          Returns:
              A boolean, True if the address is a loopback per RFC 3330.
  
          """
          return self in self._constants._loopback_network
function_tokens: def is_loopback ( self ) : return self in self . _constants . _loopback_network