

"""simple docstring"""




from __future__ import annotations

from collections.abc import Iterator
from typing import Any





class      __UpperCamelCase					:


		def __init__(self					:						List[str]	,	__SCREAMING_SNAKE_CASE					:						Any):
							A     =   data
							A     =   None


		def __str__(self					:						Dict):
							return F"""{self.data}"""





class      __UpperCamelCase					:


		def __init__(self					:						Tuple):
							A     =   None
							A     =   None


		def __iter__(self					:						Union[str, Any]):
							A     =   self.front
							while node:
												yield node.data
												A     =   node.next


		def __len__(self					:						Optional[Any]):
							return len(tuple(iter(self)))


		def __str__(self					:						Any):
							return " <- ".join(str(__SCREAMING_SNAKE_CASE) for item in self)


		def    SCREAMING_SNAKE_CASE__  (self					:						Optional[int]):
							return len(self) == 0


		def    SCREAMING_SNAKE_CASE__  (self					:						List[str]	,	__SCREAMING_SNAKE_CASE					:						Any):
							A     =   Node(__SCREAMING_SNAKE_CASE)
							if self.is_empty():
												A     =   A     =   node
							else:
												assert isinstance(self.rear	,	__SCREAMING_SNAKE_CASE)
												A     =   node
												A     =   node


		def    SCREAMING_SNAKE_CASE__  (self					:						Dict):
							if self.is_empty():
												raise IndexError("dequeue from empty queue")
							assert isinstance(self.front	,	__SCREAMING_SNAKE_CASE)
							A     =   self.front
							A     =   self.front.next
							if self.front is None:
												A     =   None
							return node.data


		def    SCREAMING_SNAKE_CASE__  (self					:						Union[str, Any]):
							A     =   A     =   None


if __name__ == "__main__":
	from doctest import testmod

	testmod()








"""simple docstring"""




def   __SCREAMING_SNAKE_CASE		(		lowercase__ = 30 ):
					"""simple docstring"""
					A     =   exponent + 2
					A     =   (1 + 5**0.5) / 2
					A     =   (phi**fibonacci_index - (phi - 1) ** fibonacci_index) / 5**0.5

					return int(lowercase__ )


if __name__ == "__main__":
	print(f"""{solution() = }""")





