'''simple docstring'''




from __future__ import annotations

from random import choice

def _UpperCamelCase   (       SCREAMING_SNAKE_CASE_							):
					return choice(SCREAMING_SNAKE_CASE_							)

def _UpperCamelCase   (       SCREAMING_SNAKE_CASE_  ,       SCREAMING_SNAKE_CASE_							):
					lowercase_					:       int     				=					random_pivot(SCREAMING_SNAKE_CASE_							)

					# partition based on pivot
					# linear time
					lowercase_					:       Tuple     				=					[e for e in lst if e < pivot]
					lowercase_					:       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'''




def _UpperCamelCase   (       SCREAMING_SNAKE_CASE_							):
     lowercase_					:       List[Any]     				=					len(SCREAMING_SNAKE_CASE_							)
     for _ in range(SCREAMING_SNAKE_CASE_							):
          for i in range(_ % 2  ,       arr_size - 1  ,       2							):
               if arr[i + 1] < arr[i]:
                    lowercase_				,lowercase_					:       Optional[Any]     				=					arr[i + 1], arr[i]

     return arr


if __name__ == "__main__":
 _A								=   list(range(1_0, 0, -1))
 print(F"""Original: {arr}. Sorted: {odd_even_transposition(arr)}""")




