code: def execute(
      self,
      command,
      command_env=None,
      preexec_fn=None,
      capture_output=False,
      stdout=None,
      stderr=None,
      stdin=None,
      synchronous=True,
  ):
      if command_env is None:
          command_env = os.environ.copy()
      command_env = {**self._extra_env, **command_env}
      if not isinstance(command, list):
          command = [command]
  
      separator = " && " if _IS_UNIX else " & "
  
      command = separator.join(map(str, self._activate_cmd + command))
      command = (
          ["bash", "-c", command]
          if _IS_UNIX
          else ["cmd", "/c", command]
      )
      _logger.info("=== Running command '%s'", command)
      return _exec_cmd(
          command,
          env=command_env,
          capture_output=capture_output,
          synchronous=synchronous,
          preexec_fn=preexec_fn,
          close_fds=True,
          stdout=stdout,
          stderr=stderr,
          stdin=stdin,
      )
  
imports: import logging
  import os
  import re
  import subprocess
  import sys
  import tempfile
  import yaml
  from packaging.requirements import InvalidRequirement, Requirement
  from packaging.version import Version
  from mlflow.environment_variables import _MLFLOW_TESTING
  from mlflow.exceptions import MlflowException
  from mlflow.protos.databricks_pb2 import INVALID_PARAMETER_VALUE
  from mlflow.utils import PYTHON_VERSION, insecure_hash
  from mlflow.utils.process import _exec_cmd
  from mlflow.utils.requirements_utils import _infer_requirements, _parse_requirements
  from mlflow.version import VERSION
label_desc: Use image node_id 3 for calling the Environment obj's underlying member method code with example usage: obj.execute(command, command_env, preexec_fn, capture_output, stdout, stderr, stdin, synchronous) and returns: _exec_cmd