code: def discus(x: np.ndarray) -> float:
      """Only one variable is very penalized."""
      return sphere(x[1:]) + 1000000.0 * float(x[0]) ** 2
  
imports: from math import exp, sqrt, tanh
  import numpy
  import nevergrad.common.typing
  from nevergrad.common.decorators import Registry
label_desc: Use image node_id 9 for calling a global function with example usage: discus(x) and returns: unknown