code: def shapley_coefficients(n):
      out = np.zeros(n)
      for i in range(n):
          out[i] = 1 / (n * scipy.special.comb(n - 1, i))
      return out
  
imports: import copy
  import os
  import re
  import sys
  from contextlib import contextmanager
  import numpy
  import pandas
  import scipy.special
  import sklearn
label_desc: Use image node_id 3 for calling a global function with example usage: shapley_coefficients(n) and returns: out