

from __future__ import annotations

from typing import Any





class 			snake_case_     :







			'''simple docstring'''

			def __init__(  self				:       Dict							,     _UpperCamelCase				:       Any							,     _UpperCamelCase				:       Any							)   ->None:  # noqa: A002
									snake_case_     =			item
									snake_case_     =			next






class 			snake_case_     :







			'''simple docstring'''

			def __init__(  self				:       Optional[Any]							)   ->None:
									snake_case_     =			None
									snake_case_     =			0







			def        snake_case__(  self				:       Optional[Any]							,     _UpperCamelCase				:       Any							)   ->None:
									snake_case_     =			Node(_UpperCamelCase							,     self.head							)
									self.size += 1







			def        snake_case__(  self				:       Any							)   ->Any:
									# Switched 'self.is_empty()' to 'self.head is None'
									# because mypy was considering the possibility that 'self.head'
									# can be None in below else part and giving error
									if self.head is None:
															return None
									else:
															snake_case_     =			self.head.item
															snake_case_     =			self.head.next
															self.size -= 1
															return item







			def        snake_case__(  self				:       Dict							)   ->bool:
									return self.head is None







			def __str__(  self				:       Optional[Any]							)   ->str:
									if self.is_empty():
															return ""
									else:
															snake_case_     =			self.head
															snake_case_     =			''''''
															snake_case_     =			[]
															while iterate:
																					item_list.append(str(iterate.item							)							)
																					snake_case_     =			iterate.next

															snake_case_     =			''' --> '''.join(_UpperCamelCase							)

															return item_str







			def __len__(  self				:       int							)   ->int:
									return self.size


import warnings

from .generation import GenerationMixin





class 			snake_case_     (	__A      ):







			'''simple docstring'''

			warnings.warn(
			    "Importing `GenerationMixin` from `src/transformers/generation_utils.py` is deprecated and will "
			    "be removed in Transformers v5. Import as `from transformers import GenerationMixin` instead."			, __A			, )