



from __future__ import annotations

from collections.abc import Iterator
from typing import Generic, TypeVar

UpperCAmelCase_		 =					TypeVar("""T""")


class 	lowerCamelCase__	(       Generic[T]):



 """simple docstring"""

 def __init__(    self					:					Tuple			,						__lowerCAmelCase					:					T      )   ->	Optional[Any]:
    _A      =       data
    _A      =       None

 def __str__(    self					:					Optional[Any]      )   ->	str:
    return f'''{self.data}'''


class 	lowerCamelCase__	(       Generic[T]):



 """simple docstring"""

 def __init__(    self					:					Any      )   ->	None:
    _A      =       None

 def __iter__(    self					:					int      )   ->	Iterator[T]:
    _A      =       self.top
    while node:
       yield node.data
       _A      =       node.next

 def __str__(    self					:					Any      )   ->	str:
    return "->".join([str(__lowerCAmelCase      ) for item in self]      )

 def __len__(    self					:					List[str]      )   ->	int:
    return len(tuple(iter(self      )      )      )

 def     snake_case_      (    self					:					Optional[Any]      )   ->	bool:
    return self.top is None

 def     snake_case_      (    self					:					int			,						__lowerCAmelCase					:					T      )   ->	None:
    _A      =       Node(__lowerCAmelCase      )
    if not self.is_empty():
       _A      =       self.top
    _A      =       node

 def     snake_case_      (    self					:					List[Any]      )   ->	T:
    if self.is_empty():
       raise IndexError('''pop from empty stack'''      )
    assert isinstance(self.top			,						__lowerCAmelCase      )
    _A      =       self.top
    _A      =       self.top.next
    return pop_node.data

 def     snake_case_      (    self					:					Optional[int]      )   ->	T:
    if self.is_empty():
       raise IndexError('''peek from empty stack'''      )

    assert self.top is not None
    return self.top.data

 def     snake_case_      (    self					:					Tuple      )   ->	None:
    _A      =       None


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

   testmod()








from .configuration_bert_masked import MaskedBertConfig
from .modeling_bert_masked import (
    MaskedBertForMultipleChoice,
    MaskedBertForQuestionAnswering,
    MaskedBertForSequenceClassification,
    MaskedBertForTokenClassification,
    MaskedBertModel,
)
from .modules import *



