code: def _bitcount(val):
      return bin(val).count("1")
  
imports: from abc import abstractmethod, ABCMeta
  from ._compat import Sequence, Hashable
  from numbers import Integral
  import operator
  import six
  from pyrsistent._transformations import transform
label_desc: Use image node_id 1 for calling a global function with example usage: _bitcount(val) and returns: bin