


import pytest

from datasets.utils.sharding import _distribute_shards, _number_of_shards_in_gen_kwargs, _split_gen_kwargs




@pytest.mark.parametrize(
    'kwargs, expected'			,							[
        ({'num_shards': 0, 'max_num_jobs': 1}, []),
        ({'num_shards': 10, 'max_num_jobs': 1}, [range(10     )]),
        ({'num_shards': 10, 'max_num_jobs': 10}, [range(snake_case			,							i + 1     ) for i in range(10     )]),
        ({'num_shards': 1, 'max_num_jobs': 10}, [range(1     )]),
        ({'num_shards': 10, 'max_num_jobs': 3}, [range(0			,							4     ), range(4			,							7     ), range(7			,							10     )]),
        ({'num_shards': 3, 'max_num_jobs': 10}, [range(0			,							1     ), range(1			,							2     ), range(2			,							3     )]),
    ]			,							)
def    snake_case_     (  snake_case			,							snake_case     )  ->				List[str]:
       lowercase__:   List[str]  			=   _distribute_shards(**snake_case     )
       assert out == expected




@pytest.mark.parametrize(
    'gen_kwargs, max_num_jobs, expected'			,							[
        ({'foo': 0}, 10, [{'foo': 0}]),
        ({'shards': [0, 1, 2, 3]}, 1, [{'shards': [0, 1, 2, 3]}]),
        ({'shards': [0, 1, 2, 3]}, 4, [{'shards': [0]}, {'shards': [1]}, {'shards': [2]}, {'shards': [3]}]),
        ({'shards': [0, 1]}, 4, [{'shards': [0]}, {'shards': [1]}]),
        ({'shards': [0, 1, 2, 3]}, 2, [{'shards': [0, 1]}, {'shards': [2, 3]}]),
    ]			,							)
def    snake_case_     (  snake_case			,							snake_case			,							snake_case     )  ->				str:
       lowercase__:   List[str]  			=   _split_gen_kwargs(snake_case			,							snake_case     )
       assert out == expected




@pytest.mark.parametrize(
    'gen_kwargs, expected'			,							[
        ({'foo': 0}, 1),
        ({'shards': [0]}, 1),
        ({'shards': [0, 1, 2, 3]}, 4),
        ({'shards': [0, 1, 2, 3], 'foo': 0}, 4),
        ({'shards': [0, 1, 2, 3], 'other': (0, 1)}, 4),
        ({'shards': [0, 1, 2, 3], 'shards2': [0, 1]}, RuntimeError),
    ]			,							)
def    snake_case_     (  snake_case			,							snake_case     )  ->				int:
       if expected is RuntimeError:
              with pytest.raises(snake_case     ):
                     _number_of_shards_in_gen_kwargs(snake_case     )
       else:
              lowercase__:   Tuple  			=   _number_of_shards_in_gen_kwargs(snake_case     )
              assert out == expected






from __future__ import annotations




def    snake_case_     (  snake_case			,							snake_case     )  ->				list[int]:
       lowercase__:   List[str]  			=   0
       lowercase__:   Dict  			=   len(snake_case     ) - 1

       while i < j:
              if nums[i] + nums[j] == target:
                     return [i, j]
              elif nums[i] + nums[j] < target:
                     lowercase__:   Dict  			=   i + 1
              else:
                     lowercase__:   List[Any]  			=   j - 1

       return []


if __name__ == "__main__":
 import doctest

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


