code: def release():
      """Returns the system's release, e.g. '2.2.0' or 'NT'
  
      An empty string is returned if the value cannot be determined.
  
      """
      return uname().release
  
imports: import collections
  import os
  import re
  import sys
  import functools
  import itertools
label_desc: Use image node_id 25 for calling a global function with example usage: release() and returns: uname