

import os
import time

import pytest

from datasets.utils.filelock import FileLock, Timeout





def    __lowerCamelCase      (					UpperCamelCase__ ):







							'''simple docstring'''






							snake_case_     							=       FileLock(str(tmpdir / 'foo.lock' ) )
							snake_case_     							=       FileLock(str(tmpdir / 'foo.lock' ) )
							snake_case_     							=       0.01
							with locka.acquire():
														with pytest.raises(lowerCAmelCase__ ):
																					snake_case_     							=       time.time()
																					locka.acquire(lowerCAmelCase__ )
																					assert time.time() - _start > timeout





def    __lowerCamelCase      (					UpperCamelCase__ ):







							'''simple docstring'''






							snake_case_     							=       'a' * 1000 + '.lock'
							snake_case_     							=       FileLock(str(tmpdir / filename ) )
							assert locka._lock_file.endswith('.lock' )
							assert not locka._lock_file.endswith(lowerCAmelCase__ )
							assert len(os.path.basename(locka._lock_file ) ) <= 255
							snake_case_     							=       FileLock(tmpdir / filename )
							with locka.acquire():
														with pytest.raises(lowerCAmelCase__ ):
																					locka.acquire(0 )





"""simple docstring"""






from __future__ import annotations


def      UpperCAmelCase__			(							lowerCAmelCase__	:dict   ,						lowerCAmelCase__	:str						)					->       set[str]:
      '''simple docstring'''


      lowercase				,				lowercase								=      set(lowerCAmelCase__						), [start]

      while stack:
            lowercase								=      stack.pop()
            explored.add(lowerCAmelCase__						)
            # Differences from BFS:
            # 1) pop last element instead of first one
            # 2) add adjacent elements to stack without exploring them
            for adj in reversed(graph[v]						):
                  if adj not in explored:
                        stack.append(lowerCAmelCase__						)
      return explored


__lowerCAmelCase       :			str   	={
    """A""": ["""B""", """C""", """D"""],
    """B""": ["""A""", """D""", """E"""],
    """C""": ["""A""", """F"""],
    """D""": ["""B""", """D"""],
    """E""": ["""B""", """F"""],
    """F""": ["""C""", """E""", """G"""],
    """G""": ["""F"""],
}

if __name__ == "__main__":
       import doctest

       doctest.testmod()
       print(depth_first_search(G, """A"""))



