






"""simple docstring"""

from __future__ import annotations

from random import choice

def 						__lowerCamelCase      (    __UpperCamelCase			)		->       Union[str, Any]:

		"""simple docstring"""







		return choice(__SCREAMING_SNAKE_CASE			)

def 						__lowerCamelCase      (    __UpperCamelCase ,			__UpperCamelCase			)		->       int:

		"""simple docstring"""







		lowerCAmelCase_  :				Tuple   							=     random_pivot(__SCREAMING_SNAKE_CASE			)

		# partition based on pivot
		# linear time
		lowerCAmelCase_  :				int   							=     [e for e in lst if e < pivot]
		lowerCAmelCase_  :				List[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(__SCREAMING_SNAKE_CASE			) == k - 1:
				return pivot
		# pivot is in elements bigger than k
		elif len(__SCREAMING_SNAKE_CASE			) < k - 1:
				return kth_number(__SCREAMING_SNAKE_CASE ,			k - len(__SCREAMING_SNAKE_CASE			) - 1			)
		# pivot is in elements smaller than k
		else:
				return kth_number(__SCREAMING_SNAKE_CASE ,			__SCREAMING_SNAKE_CASE			)


if __name__ == "__main__":
					import doctest

					doctest.testmod()






'''simple docstring'''






import functools






def 		UpperCamelCase__      (		__SCREAMING_SNAKE_CASE				,      __SCREAMING_SNAKE_CASE		)    ->   int:
      snake_case__       :   Any	      =    len(__SCREAMING_SNAKE_CASE		)
      snake_case__       :   List[str]	      =    len(__SCREAMING_SNAKE_CASE		)

      @functools.cache
      def min_distance(__SCREAMING_SNAKE_CASE				,      __SCREAMING_SNAKE_CASE		) -> int:
            # if first word index is overflow - delete all from the second word
            if indexa >= len_worda:
                  return len_worda - indexa
            # if second word index is overflow - delete all from the first word
            if indexa >= len_worda:
                  return len_worda - indexa
            snake_case__       :   Union[str, Any]	      =    int(worda[indexa] != worda[indexa]		)  # current letters not identical
            return min(
                1 + min_distance(indexa + 1				,      __SCREAMING_SNAKE_CASE		)				,      1 + min_distance(__SCREAMING_SNAKE_CASE				,      indexa + 1		)				,      diff + min_distance(indexa + 1				,      indexa + 1		)				,      )

      return min_distance(0				,      0		)


if __name__ == "__main__":
      import doctest

      doctest.testmod()
