code: def _randomizedSelect(array, begin, end, i):
      """Allows to select the ith smallest element from array without sorting it.
      Runtime is expected to be O(n).
      """
      if begin == end:
          return array[begin]
      q = _randomizedPartition(array, begin, end)
      k = q - begin + 1
      if i < k:
          return _randomizedSelect(array, begin, q, i)
      else:
          return _randomizedSelect(array, q + 1, end, i - k)
  
imports: import bisect
  from collections import defaultdict, namedtuple
  from itertools import chain
  import math
  from operator import attrgetter, itemgetter
  import random
  import numpy
label_desc: Use image node_id 22 for calling a global function with example usage: _randomizedSelect(array, begin, end, i) and returns: array, _randomizedSelect, _randomizedSelect