code: def _prod(a):
      p = 1
      for x in a:
          p *= x
      return p
  
imports: from __future__ import division, absolute_import, print_function
  import re
  import sys
  import platform
  from numpy.compat import unicode
  from numpy.core.overrides import set_module
  from .multiarray import dtype, array, ndarray
label_desc: Use image node_id 15 for calling a global function with example usage: _prod(a) and returns: p