code: 
  
  
  """simple docstring"""
  
  
  
  
  from __future__ import annotations
  
  from random import randrange
  
  
  
  
  
  def 			a_   (  lowercase__   :list    ):
  			if len(lowercase__    ) < 2:
  						return collection
  			__lowerCamelCase        =			randrange(len(lowercase__    )    )  # Use random element as pivot
  			__lowerCamelCase        =			collection[pivot_index]
  			__lowerCamelCase        =			[]  # All elements greater than pivot
  			__lowerCamelCase        =			[]  # All elements less than or equal to pivot
  
  			for element in collection[:pivot_index]:
  						(greater if element > pivot else lesser).append(lowercase__    )
  
  			for element in collection[pivot_index + 1 :]:
  						(greater if element > pivot else lesser).append(lowercase__    )
  
  			return [*quick_sort(lowercase__    ), pivot, *quick_sort(lowercase__    )]
  
  
  if __name__ == "__main__":
  					__magic_name__          =							input('Enter numbers separated by a comma:\n').strip()
  					__magic_name__          =							[int(item) for item in user_input.split(',')]
  					print(quick_sort(unsorted))
  
  
  
  
  
style_context: 
  
  
  """simple docstring"""
  
  
  
  
  def 			a_   (  lowercase__   :str, lowercase__   :int = 13    ):
  			__lowerCamelCase        =			""""""
  			for c in s:
  						if "A" <= c <= "Z":
  									out += chr(ord("""A"""    ) + (ord(lowercase__    ) - ord("""A"""    ) + n) % 26    )
  						elif "a" <= c <= "z":
  									out += chr(ord("""a"""    ) + (ord(lowercase__    ) - ord("""a"""    ) + n) % 26    )
  						else:
  									out += c
  			return out
  
  
  
  
  
  def 			a_   (  ):
  			__lowerCamelCase        =			input("""Enter message: """    )
  
  			__lowerCamelCase        =			dencrypt(lowercase__, 13    )
  			print("""Encryption:""", lowercase__    )
  
  			__lowerCamelCase        =			dencrypt(lowercase__, 13    )
  			print("""Decryption: """, lowercase__    )
  
  
  if __name__ == "__main__":
  					import doctest
  
  					doctest.testmod()
  					main()
  
  
  
  
  