original_docstring: 
          Return the operation to minimize the loss function
          
docstring: Return the operation to minimize the loss function
docstring_tokens: Return the operation to minimize the loss function
code: def train_op(self):
          """
          Return the operation to minimize the loss function
          """
          return self._train
code_tokens: def train_op ( self ) : return self . _train
short_docstring: Return the operation to minimize the loss function
short_docstring_tokens: Return the operation to minimize the loss function
comment: """
          Return the operation to minimize the loss function
          """