code: def nargs(func):
      return len(getfullargspec(func).args)
  
imports: from inspect import getfullargspec
  from numpy.testing import assert_raises
  from cupy.array_api import asarray, _elementwise_functions
  from cupy.array_api._elementwise_functions import bitwise_left_shift, bitwise_right_shift
  from cupy.array_api._dtypes import _dtype_categories, _boolean_dtypes, _floating_dtypes, _integer_dtypes
label_desc: Use image node_id 1 for calling a global function with example usage: nargs(func) and returns: len