code: def memory_usage(self, string=False):
          
          if string:
              n = getsizeof(self)
              return ' '.join((str(s) for s in convert_bytes(n)))
          return self.info()['size']
docs: Get the memory usage estimate of the container.
  
          Args:
              string (bool): Human readable string (default false)
  
          See Also:
              :func:`~exa.core.container.Container.info`