original_docstring: 
          Update_target_op will be called periodically 
          to copy Q network to target Q network
      
          Args:
              q_scope: name of the scope of variables for q
              target_q_scope: name of the scope of variables for the target
                  network
          
docstring: Update_target_op will be called periodically
  to copy Q network to target Q network
docstring_tokens: Update_target_op will be called periodically to copy Q network to target Q network
code: def add_update_target_op(self, q_scope, target_q_scope):
          """
          Update_target_op will be called periodically 
          to copy Q network to target Q network
      
          Args:
              q_scope: name of the scope of variables for q
              target_q_scope: name of the scope of variables for the target
                  network
          """
          raise NotImplementedError
code_tokens: def add_update_target_op ( self , q_scope , target_q_scope ) : raise NotImplementedError
short_docstring: Update_target_op will be called periodically
  to copy Q network to target Q network
short_docstring_tokens: Update_target_op will be called periodically to copy Q network to target Q network
comment: """
          Update_target_op will be called periodically 
          to copy Q network to target Q network
      
          Args:
              q_scope: name of the scope of variables for q
              target_q_scope: name of the scope of variables for the target
                  network
          """