



"""simple docstring"""
from __future__ import annotations

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

__SCREAMING_SNAKE_CASE  :						Tuple    							=      TypeVar('''T''')


class 							lowerCamelCase_(   Generic[T]    ):





					'''simple docstring'''



					lowercase__   :       Union[str, Any]										= 42  # Cache store of keys
					lowercase__   :       Any										= 42  # References of the keys in cache
					lowercase__   :       Optional[int]										= 10  # 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 			snake_case__      (    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(_UpperCAmelCase   )
									else:
													self.dq_store.remove(_UpperCAmelCase   )

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

					def 			snake_case__      (    self   ):
									for k in self.dq_store:
													print(_UpperCAmelCase   )





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


if __name__ == "__main__":
			import doctest

			doctest.testmod()

			__SCREAMING_SNAKE_CASE  :						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]"




"""simple docstring"""
from __future__ import annotations

from math import pow, sqrt



def        lowerCAmelCase_(   lowercase_     :							float						,   lowercase_     :							float						,   lowercase_     :							float							)	->       dict[str, float]:
				if (resistance, reactance, impedance).count(0							) != 1:
								raise ValueError('''One and only one argument must be 0'''							)
				if resistance == 0:
								return {"resistance": sqrt(pow(lowercase_						,   2							) - pow(lowercase_						,   2							)							)}
				elif reactance == 0:
								return {"reactance": sqrt(pow(lowercase_						,   2							) - pow(lowercase_						,   2							)							)}
				elif impedance == 0:
								return {"impedance": sqrt(pow(lowercase_						,   2							) + pow(lowercase_						,   2							)							)}
				else:
								raise ValueError('''Exactly one argument must be 0'''							)


if __name__ == "__main__":
			import doctest

			doctest.testmod()
