docstr: Get the value of a variable from the graph
  :param variable: the variable
  :return: the value of the variable
code: def get_variable_value(self, variable):
      """
      Get the value of a variable from the graph
      :param variable: the variable
      :return: the value of the variable
      """
      return self.sess.run(variable)
  
imports: import os
  import time
  from typing import Any, List, Tuple, Dict
  import numpy
  import tensorflow
  from rl_coach.architectures.architecture import Architecture
  from rl_coach.architectures.tensorflow_components.savers import GlobalVariableSaver
  from rl_coach.base_parameters import AgentParameters, DistributedTaskParameters
  from rl_coach.core_types import GradientClippingMethod
  from rl_coach.saver import SaverCollection
  from rl_coach.spaces import SpacesDefinition
  from rl_coach.utils import force_list, squeeze_list, start_shell_command_and_wait
label_desc: Use image node_id 22 for calling the TensorFlowArchitecture obj's underlying member method code with example usage: obj.get_variable_value(variable) and returns: self