original_docstring: Registers an optimizer for the model.
  
          Args:
              optimizer: optimizer object.
          
docstring: Registers an optimizer for the model.
docstring_tokens: Registers an optimizer for the model .
code: def register_optimizer(self, optimizer):
          """Registers an optimizer for the model.
  
          Args:
              optimizer: optimizer object.
          """
  
          self.optimizer = optimizer
code_tokens: def register_optimizer ( self , optimizer ) : self . optimizer = optimizer
short_docstring: Registers an optimizer for the model.
short_docstring_tokens: Registers an optimizer for the model .
comment: """Registers an optimizer for the model.
  
          Args:
              optimizer: optimizer object.
          """