code: def randn(mean=0.0, std=1.0):
      """
      Sample a float from normal distribution.
  
      :param mean: Mean of the normal distribution. Default to 0.0.
      :param std: Std of the normal distribution. Default to 1.0.
      """
      return tune.randn(mean, std)
  
file_path: analytics-zoo/pyzoo/zoo/orca/automl/hp.py
imports: import ray.tune
  import numpy
label_desc: Use image node_id 5 for calling a global function with example usage: randn(mean, std) and returns: tune