



"""simple docstring"""







import random

def   lowerCAmelCase__			(     lowerCamelCase__				,      lowerCamelCase__			) ->							tuple:
							A      ,  A      ,  A         =					[], [], []
							for element in data:
														if element < pivot:
																					less.append(lowerCamelCase__			)
														elif element > pivot:
																					greater.append(lowerCamelCase__			)
														else:
																					equal.append(lowerCamelCase__			)
							return less, equal, greater

def   lowerCAmelCase__			(     lowerCamelCase__				,      lowerCamelCase__			) ->							int:
							# index = len(items) // 2 when trying to find the median
							#   (value of index when items is sorted)

							# invalid input
							if index >= len(lowerCamelCase__			) or index < 0:
														return None

							A         =					items[random.randint(0				,      len(lowerCamelCase__			) - 1			)]
							A         =					0
							A      ,  A      ,  A         =					_partition(lowerCamelCase__				,      lowerCamelCase__			)
							A         =					len(lowerCamelCase__			)
							A         =					len(lowerCamelCase__			)

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








"""simple docstring"""







import re

def   lowerCAmelCase__			(     lowerCamelCase__			) ->							list:
							return [char.split() for char in re.split(R'[^ a-z A-Z 0-9 \s]'				,      str_			)]

def   lowerCAmelCase__			(     lowerCamelCase__			) ->							str:
							A         =					split_input(str_			)
							return "".join(
							    [''.join([char.capitalize() for char in sub_str]			) for sub_str in string_split]			)

def   lowerCAmelCase__			(     lowerCamelCase__				,      lowerCamelCase__				,      lowerCamelCase__			) ->							str:
							try:
														A         =					split_input(lowerCamelCase__			)
														if upper:
																					A         =					''.join(
																					    [
																					        separator.join([char.upper() for char in sub_str]			)
																					        for sub_str in string_split
																					    ]			)
														else:
																					A         =					''.join(
																					    [
																					        separator.join([char.lower() for char in sub_str]			)
																					        for sub_str in string_split
																					    ]			)
														return res_str
							except IndexError:
														return "not valid string"

def   lowerCAmelCase__			(     lowerCamelCase__			) ->							str:
							return to_simple_case(lowerCamelCase__			)

def   lowerCAmelCase__			(     lowerCamelCase__			) ->							str:
							try:
														A         =					to_simple_case(lowerCamelCase__			)
														return res_str[0].lower() + res_str[1:]
							except IndexError:
														return "not valid string"

def   lowerCAmelCase__			(     lowerCamelCase__				,      lowerCamelCase__			) ->							str:
							return to_complex_case(lowerCamelCase__				,      lowerCamelCase__				,      '_'			)

def   lowerCAmelCase__			(     lowerCamelCase__				,      lowerCamelCase__			) ->							str:
							return to_complex_case(lowerCamelCase__				,      lowerCamelCase__				,      '-'			)


if __name__ == "__main__":
							__import__('doctest').testmod()



