



from __future__ import annotations

from random import choice






def 			lowerCAmelCase__	(					lowerCamelCase_	:	str):





				'''simple docstring'''

				return choice(lowerCamelCase_)






def 			lowerCAmelCase__	(					lowerCamelCase_	:	list[int] ,lowerCamelCase_	:	int):





				'''simple docstring'''

				lowerCAmelCase__  :       List[str]				=  random_pivot(lowerCamelCase_)

				# partition based on pivot
				# linear time
				lowerCAmelCase__  :       Optional[Any]				=  [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(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()






from __future__ import annotations

from collections.abc import Iterable, Iterator
from dataclasses import dataclass

__snake_case       :	Optional[int]            =(3, 9, -1_1, 0, 7, 5, 1, -1)
__snake_case       :	str            =(4, 6, 2, 0, 8, 1_0, 3, -2)



@dataclass
class  lowerCamelCase__    :




		'''simple docstring'''



		snake_case_			=42
		snake_case_			=42



class  lowerCamelCase__    :




		'''simple docstring'''



		def __init__(self	,__lowerCamelCase				)  ->    None:

						"""simple docstring"""






						lowerCAmelCase__  :       Node | None				=  None
						for i in sorted(__lowerCamelCase	,reverse=__lowerCamelCase				):
										lowerCAmelCase__  :       Dict				=  Node(__lowerCamelCase	,self.head				)



		def __iter__(self				)  ->    Iterator[int]:

						"""simple docstring"""






						lowerCAmelCase__  :       Optional[Any]				=  self.head
						while node:
										yield node.data
										lowerCAmelCase__  :       Dict				=  node.next_node



		def __len__(self				)  ->    int:

						"""simple docstring"""






						return sum(1 for _ in self				)



		def __str__(self				)  ->    str:

						"""simple docstring"""






						return " -> ".join([str(__lowerCamelCase				) for node in self]				)






def 			lowerCAmelCase__	(					lowerCamelCase_	:	SortedLinkedList ,lowerCamelCase_	:	SortedLinkedList):





				'''simple docstring'''

				return SortedLinkedList(list(lowerCamelCase_) + list(lowerCamelCase_))


if __name__ == "__main__":
							import doctest

							doctest.testmod()
							__snake_case       :	Any            =SortedLinkedList
							print(merge_lists(SSL(test_data_odd), SSL(test_data_even)))

