



"""simple docstring"""







from __future__ import annotations

from random import choice

def     UpperCamelCase   (   lowerCAmelCase__				:    Optional[Any]						)						->       int:

  """simple docstring"""




  return choice(lowerCAmelCase__						)

def     UpperCamelCase   (   lowerCAmelCase__				:    list[int]   ,       lowerCAmelCase__				:    int						)						->       int:

  """simple docstring"""




  lowerCAmelCase_       :    Dict								=			random_pivot(lowerCAmelCase__						)

  # partition based on pivot
  # linear time
  lowerCAmelCase_       :    Optional[int]								=			[e for e in lst if e < pivot]
  lowerCAmelCase_       :    Any								=			[e for e in lst if e > pivot]

  # if we get lucky, pivot might be the element we want.
  # we can easily see this:
  # small (elements smaller than k)
  # + pivot (kth element)
  # + big (elements larger than k)
  if len(lowerCAmelCase__						) == k - 1:
    return pivot
  # pivot is in elements bigger than k
  elif len(lowerCAmelCase__						) < k - 1:
    return kth_number(lowerCAmelCase__   ,       k - len(lowerCAmelCase__						) - 1						)
  # pivot is in elements smaller than k
  else:
    return kth_number(lowerCAmelCase__   ,       lowerCAmelCase__						)


if __name__ == "__main__":
     import doctest

     doctest.testmod()










"""simple docstring"""







def     UpperCamelCase_   (   lowerCAmelCase__				:    str   ,       lowerCAmelCase__				:    str						)						->       int:

  """simple docstring"""




  if len(lowerCAmelCase__						) != len(lowerCAmelCase__						):
    raise ValueError('String lengths must match!'						)

  lowerCAmelCase_       :    List[Any]								=			0

  for chara, chara in zip(lowerCAmelCase__   ,       lowerCAmelCase__						):
    if chara != chara:
      count += 1

  return count


if __name__ == "__main__":
     import doctest

     doctest.testmod()





