code: def select_sk_solver(cuml_solver):
      if cuml_solver == "newton":
          return "newton-cg"
      elif cuml_solver in ["admm", "lbfgs"]:
          return "lbfgs"
      else:
          pytest.xfail("No matched sklearn solver")
  
imports: from cuml.internals.safe_imports import gpu_only_import
  import pytest
  from cuml.dask.common import utils
  from functools import partial
  from sklearn.metrics import accuracy_score, mean_squared_error
  from sklearn.datasets import make_classification
  from sklearn.linear_model import LogisticRegression
  from cuml.internals.safe_imports import cpu_only_import
  from cuml.testing.utils import array_equal
  from scipy.sparse import csr_matrix
label_desc: Use image node_id 4 for calling a global function with example usage: select_sk_solver(cuml_solver) and returns: str, str