docstr: Returns the y value of a quadratic function with a minimum at x=0.
docstr_tok: ["Returns","the","y","value","of","a","quadratic","function","with","a","minimum","at","x=0","."]
code: def train(self, config: Configuration, seed: int = 0) -> float:
      """Returns the y value of a quadratic function with a minimum at x=0."""
      x = config["x"]
      return x * x
  
file_path: SMAC3/examples/1_basics/5_continue.py
imports: from __future__ import annotations
  from ConfigSpace import Configuration, ConfigurationSpace, Float
  from smac import Callback
  from smac import HyperparameterOptimizationFacade
  from smac import Scenario
  from smac.main.smbo import SMBO
  from smac.runhistory import TrialInfo, TrialValue
label_desc: Use image node_id 2 for calling the QuadraticFunction obj's underlying member method code with example usage: obj.train(config, seed) and returns: unknown