class_docstr: A Space class for agents, variables and methods
  related to the search space.
class_docstr_tok: ["A","Space","class","for","agents",",","variables","and","methods","related","to","the","search","space","."]
code: def mapping(self, mapping: List[str]) -> None:
      if mapping is not None:
          if not isinstance(mapping, list):
              raise e.TypeError("`mapping` should be a list")
          if len(mapping) != self.n_variables:
              raise e.SizeError(
                  "`mapping` should be the same size as `n_variables`"
              )
          self._mapping = mapping
      else:
          self._mapping = [f"x{i}" for i in range(self.n_variables)]
  
imports: from typing import List, Optional, Tuple, Union
  import numpy
  import opytimizer.utils.exception
  from opytimizer.core import Agent
  from opytimizer.utils import logging
label_desc: Use image node_id 13 for calling the Space obj's underlying member method code with example usage: obj.mapping(mapping) without return types