code: def copy(self):
      with open(os.devnull, "w") as f, contextlib.redirect_stdout(f):
          return copy.deepcopy(self)
  
imports: import contextlib
  import copy
  import logging
  import os
  import time
  import lightgbm
  import numpy
  import pandas
  from sklearn.base import ClassifierMixin, RegressorMixin
  from supervised.algorithms.algorithm import BaseAlgorithm
  from supervised.algorithms.registry import BINARY_CLASSIFICATION, MULTICLASS_CLASSIFICATION, REGRESSION, AlgorithmsRegistry
  from supervised.utils.config import LOG_LEVEL
  from supervised.utils.metric import lightgbm_eval_metric_accuracy, lightgbm_eval_metric_average_precision, lightgbm_eval_metric_f1, lightgbm_eval_metric_pearson, lightgbm_eval_metric_r2, lightgbm_eval_metric_spearman, lightgbm_eval_metric_user_defined
label_desc: Use image node_id 7 for calling the LightgbmAlgorithm obj's underlying member method code with example usage: obj.copy() and returns: copy