

import random





def 					__lowerCamelCase	( UpperCamelCase__   ,							UpperCamelCase__      ):







							'''simple docstring'''






							snake_case_				,    snake_case_				,    snake_case_							=    [], [], []
							for element in data:
														if element < pivot:
																					less.append(UpperCamelCase__      )
														elif element > pivot:
																					greater.append(UpperCamelCase__      )
														else:
																					equal.append(UpperCamelCase__      )
							return less, equal, greater





def 					__lowerCamelCase	( UpperCamelCase__   ,							UpperCamelCase__      ):







							'''simple docstring'''






							if index >= len(UpperCamelCase__      ) or index < 0:
														return None

							snake_case_							=    items[random.randint(0   ,							len(UpperCamelCase__      ) - 1      )]
							snake_case_							=    0
							snake_case_				,    snake_case_				,    snake_case_							=    _partition(UpperCamelCase__   ,							UpperCamelCase__      )
							snake_case_							=    len(UpperCamelCase__      )
							snake_case_							=    len(UpperCamelCase__      )

							# index is the pivot
							if m <= index < m + count:
														return pivot
							# must be in smaller
							elif m > index:
														return quick_select(UpperCamelCase__   ,							UpperCamelCase__      )
							# must be in larger
							else:
														return quick_select(UpperCamelCase__   ,							index - (m + count)      )







from abc import ABC, abstractmethod
from argparse import ArgumentParser







class  lowercase				(       lowercase_			):




				@staticmethod
				@abstractmethod
				def     a							(					snake_case       ):
											raise NotImplementedError()




				@abstractmethod
				def     a							(					self       ):
											raise NotImplementedError()




