code: def f(x):
      return (
          np.exp(-((x - 2) ** 2))
          + np.exp(-((x - 6) ** 2) / 10)
          + 1 / (x**2 + 1)
      )
  
imports: import numpy
  from bayes_opt import BayesianOptimization
  from bayes_opt import UtilityFunction
label_desc: Use image node_id 1 for calling a global function with example usage: f(x) and returns: unknown