code: def _f_sin(x):
      """
      Sine transformation
      """
      return np.sin(np.array(x) * np.pi)
  
imports: import random
  import numpy
  import pandas
  from sklearn.datasets import make_classification
  from scipy.optimize import fsolve
  from scipy.special import expit
  from scipy.special import logit
label_desc: Use image node_id 5 for calling a global function with example usage: _f_sin(x) and returns: np