


def     _lowerCamelCase		(				SCREAMING_SNAKE_CASE_					:			list   ):






							"""simple docstring"""



							a_							: List[str]								=						0
							while len(__A   ) > 1:
														a_							: List[Any]								=						0
														# Consider two files with minimum cost to be merged
														for _ in range(2   ):
																					a_							: Any								=						files.index(min(__A   )   )
																					temp += files[min_index]
																					files.pop(__A   )
														files.append(__A   )
														optimal_merge_cost += temp
							return optimal_merge_cost


if __name__ == "__main__":
	import doctest

	doctest.testmod()










'''simple docstring'''







import os
import time

import pytest

from datasets.utils.filelock import FileLock, Timeout





def 		_UpperCAmelCase (				__A				: int   ):
				a_		:	Optional[Any]									=   FileLock(str(tmpdir / '''foo.lock'''   )   )
				a_		:	Union[str, Any]									=   FileLock(str(tmpdir / '''foo.lock'''   )   )
				a_		:	List[Any]									=   0.01
				with locka.acquire():
								with pytest.raises(__A   ):
												a_		:	List[Any]									=   time.time()
												locka.acquire(__A   )
												assert time.time() - _start > timeout





def 		_UpperCAmelCase (				__A				: Tuple   ):
				a_		:	Tuple									=   '''a''' * 10_00 + '''.lock'''
				a_		:	List[Any]									=   FileLock(str(tmpdir / filename   )   )
				assert locka._lock_file.endswith('''.lock'''   )
				assert not locka._lock_file.endswith(__A   )
				assert len(os.path.basename(locka._lock_file   )   ) <= 2_55
				a_		:	Optional[int]									=   FileLock(tmpdir / filename   )
				with locka.acquire():
								with pytest.raises(__A   ):
												locka.acquire(0   )




