





UpperCAmelCase_     							= 0  # The first color of the flag.
UpperCAmelCase_     							= 1  # The second color of the flag.
UpperCAmelCase_     							= 2  # The third color of the flag.
UpperCAmelCase_     							= (red, white, blue)




def 		lowerCAmelCase_    (  __UpperCAmelCase:			list      )      ->	list:
    if not sequence:
        return []
    if len(__UpperCAmelCase      ) == 1:
        return list(__UpperCAmelCase      )
    UpperCamelCase__							:				List[str]          =      0
    UpperCamelCase__							:				int          =      len(__UpperCAmelCase      ) - 1
    UpperCamelCase__							:				Dict          =      0
    while mid <= high:
        if sequence[mid] == colors[0]:
            UpperCamelCase__   ,UpperCamelCase__							:				Union[str, Any]          =      sequence[mid], sequence[low]
            low += 1
            mid += 1
        elif sequence[mid] == colors[1]:
            mid += 1
        elif sequence[mid] == colors[2]:
            UpperCamelCase__   ,UpperCamelCase__							:				Dict          =      sequence[high], sequence[mid]
            high -= 1
        else:
            UpperCamelCase__							:				Optional[Any]          =      f"The elements inside the sequence must contains only {colors} values"
            raise ValueError(__UpperCAmelCase      )
    return sequence


if __name__ == "__main__":
  import doctest

  doctest.testmod()

  UpperCAmelCase_     							= input('Enter numbers separated by commas:\n').strip()
  UpperCAmelCase_     							= [int(item.strip()) for item in user_input.split(',')]
  print(F'''{dutch_national_flag_sort(unsorted)}''')








from __future__ import annotations




def 		lowerCAmelCase_    (  __UpperCAmelCase:			list[int]		,   __UpperCAmelCase:			int      )      ->	list[int]:
    UpperCamelCase__							:				Optional[int]          =      0
    UpperCamelCase__							:				Tuple          =      len(__UpperCAmelCase      ) - 1

    while i < j:
        if nums[i] + nums[j] == target:
            return [i, j]
        elif nums[i] + nums[j] < target:
            UpperCamelCase__							:				Tuple          =      i + 1
        else:
            UpperCamelCase__							:				str          =      j - 1

    return []


if __name__ == "__main__":
  import doctest

  doctest.testmod()
  print(F'''{two_pointer([2, 7, 11, 15], 9) = }''')

