code: def test_binomial_coefficients():
      for n in range(15):
          c = binomial_coefficients(n)
          l = [c[k] for k in sorted(c)]
          assert l == binomial_coefficients_list(n)
  
imports: from sympy.ntheory.multinomial import binomial_coefficients, binomial_coefficients_list, multinomial_coefficients
  from sympy.ntheory.multinomial import multinomial_coefficients_iterator
label_desc: Use image node_id 2 for calling a global function with example usage: test_binomial_coefficients() without return types