code: def _cube(x, fun_args):
      return x**3, (3 * x**2).mean(axis=-1)
  
imports: import warnings
  from numbers import Integral, Real
  import numpy
  from scipy import linalg
  from ..base import BaseEstimator, ClassNamePrefixFeaturesOutMixin, TransformerMixin, _fit_context
  from ..exceptions import ConvergenceWarning
  from ..utils import as_float_array, check_array, check_random_state
  from ..utils._param_validation import Interval, Options, StrOptions, validate_params
  from ..utils.validation import check_is_fitted
label_desc: Use image node_id 7 for calling a global function with example usage: _cube(x, fun_args) and returns: unknown,  unknown