


from __future__ import annotations

import sys
from collections import deque
from typing import Generic, TypeVar

snake_case				:    Optional[int]       				=     TypeVar('''T''')







class 		_snake_case  (      Generic[T]							):
 SCREAMING_SNAKE_CASE__      =       42  # Cache store of keys
 SCREAMING_SNAKE_CASE__      =       42  # References of the keys in cache
 SCREAMING_SNAKE_CASE__      =       10  # Maximum capacity of cache




 def __init__(		self					,  _lowerCamelCase    ):
       a						:Optional[int] 							=       deque()
       a						:int 							=       set()
       if not n:
             a						:Dict 							=       sys.maxsize
       elif n < 0:
             raise ValueError('''n should be an integer greater than 0.'''    )
       else:
             a						:int 							=       n




 def        SCREAMING_SNAKE_CASE__				(		self					,  _lowerCamelCase    ):
       if x not in self.key_reference:
             if len(self.dq_store    ) == LRUCache._MAX_CAPACITY:
                   a						:str 							=       self.dq_store.pop()
                   self.key_reference.remove(_lowerCamelCase    )
       else:
             self.dq_store.remove(_lowerCamelCase    )

       self.dq_store.appendleft(_lowerCamelCase    )
       self.key_reference.add(_lowerCamelCase    )




 def        SCREAMING_SNAKE_CASE__				(		self    ):
       for k in self.dq_store:
             print(_lowerCamelCase    )




 def __repr__(		self    ):
       return F'''LRUCache({self._MAX_CAPACITY}) => {list(self.dq_store    )}'''


if __name__ == "__main__":
     import doctest

     doctest.testmod()

     snake_case				:    LRUCache[str | int]       				=     LRUCache(4)
     lru_cache.refer('''A''')
     lru_cache.refer(2)
     lru_cache.refer(3)
     lru_cache.refer('''A''')
     lru_cache.refer(4)
     lru_cache.refer(5)
     lru_cache.display()

     print(lru_cache)
     assert str(lru_cache) == "LRUCache(4) => [5, 4, 'A', 3]"









import sys

from .dependency_versions_table import deps
from .utils.versions import require_version, require_version_core


# define which module versions we always want to check at run time
# (usually the ones defined in `install_requires` in setup.py)
#
# order specific notes:
# - tqdm must be checked before tokenizers

snake_case				:    Union[str, Any]       				=     '''python tqdm regex requests packaging filelock numpy tokenizers'''.split()
if sys.version_info < (3, 7):
     pkgs_to_check_at_runtime.append('''dataclasses''')
if sys.version_info < (3, 8):
     pkgs_to_check_at_runtime.append('''importlib_metadata''')

for pkg in pkgs_to_check_at_runtime:
     if pkg in deps:
          if pkg == "tokenizers":
               # must be loaded here, or else tqdm check may fail
               from .utils import is_tokenizers_available

               if not is_tokenizers_available():
                    continue  # not required, check version only if installed

          require_version_core(deps[pkg])
     else:
          raise ValueError(F"""can't find {pkg} in {deps.keys()}, check dependency_versions_table.py""")
def 				__lowerCamelCase						( UpperCAmelCase_						:		Any ,  UpperCAmelCase_						:		Optional[int]=None						):




      """simple docstring"""





      require_version(deps[pkg] ,  UpperCAmelCase_						)





