





from __future__ import annotations

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

A_												=     TypeVar("T")

class SCREAMING_SNAKE_CASE_ (					Generic[T]   ):





					"""simple docstring"""


					A__				 =    42  # Cache store of keys
					A__				 =    42  # References of the keys in cache
					A__				 =    1_0  # Maximum capacity of cache





					def __init__( self	,  _lowerCAmelCase	):
										lowerCamelCase__       =       deque()
										lowerCamelCase__       =       set()
										if not n:
															lowerCamelCase__       =       sys.maxsize
										elif n < 0:
															raise ValueError("n should be an integer greater than 0."	)
										else:
															lowerCamelCase__       =       n





					def 					__magic_name__ ( self	,  _lowerCAmelCase	):
										if x not in self.key_reference:
															if len(self.dq_store	) == LRUCache._MAX_CAPACITY:
																				lowerCamelCase__       =       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 					__magic_name__ ( 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()

						A_												=     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]"








def    __UpperCamelCase      (    a) ->str:

					if isinstance(a,     a):
										raise TypeError("'float' object cannot be interpreted as an integer")
					if isinstance(a,     a):
										raise TypeError("'str' object cannot be interpreted as an integer")

					if num == 0:
										return "0b0"

					lowerCamelCase__       =       False

					if num < 0:
										lowerCamelCase__       =       True
										lowerCamelCase__       =       -num

					lowerCamelCase__       =       []
					while num > 0:
										binary.insert(0,     num % 2)
										num >>= 1

					if negative:
										return "-0b" + "".join(str(a) for e in binary)

					return "0b" + "".join(str(a) for e in binary)


if __name__ == "__main__":
						import doctest

						doctest.testmod()

