docstr: Returns the y value of a quadratic function with a minimum we know to be at x=0.
docstr_tok: ["Returns","the","y","value","of","a","quadratic","function","with","a","minimum","we","know","to","be","at","x=0","."]
code: def train(self, config: Configuration, seed: int = 0) -> float:
      """Returns the y value of a quadratic function with a minimum we know to be at x=0."""
      x = config["x"]
      return x**2
  
file_path: SMAC3/examples/1_basics/1_quadratic_function.py
imports: import numpy
  from ConfigSpace import Configuration, ConfigurationSpace, Float
  from matplotlib import pyplot
  from smac import HyperparameterOptimizationFacade
  from smac import RunHistory, Scenario
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