


"""simple docstring"""

from typing import Any





class    lowerCamelCase__						:
      def __init__(		self	:	Any      ,       A_	:	Any							):






       '''simple docstring'''


       __lowercase									=	data
       __lowercase									=	None






      def __repr__(		self	:	List[Any]							):






       '''simple docstring'''


       return F'''Node({self.data})'''






class    lowerCamelCase__						:
      def __init__(		self	:	List[Any]							):






       '''simple docstring'''


       __lowercase									=	None
      def __iter__(		self	:	Union[str, Any]							):






       '''simple docstring'''


       __lowercase									=	self.head
       while node:
        yield node.data
        __lowercase									=	node.next
      def __len__(		self	:	Dict							):






       '''simple docstring'''


       return sum(1 for _ in self							)
      def __repr__(		self	:	str							):






       '''simple docstring'''


       return "->".join([str(lowerCamelCase_							) for item in self]							)
      def __getitem__(		self	:	Optional[Any]      ,       A_	:	int							):






       '''simple docstring'''


       if not 0 <= index < len(self							):
        raise ValueError("""list index out of range."""							)
       for i, node in enumerate(self							):
        if i == index:
         return node
       return None
      def __setitem__(		self	:	int      ,       A_	:	int      ,       A_	:	Any							):






       '''simple docstring'''


       if not 0 <= index < len(self							):
        raise ValueError("""list index out of range."""							)
       __lowercase									=	self.head
       for _ in range(lowerCamelCase_							):
        __lowercase									=	current.next
       __lowercase									=	data
      def SCREAMING_SNAKE_CASE_	(		self	:	Union[str, Any]      ,       A_	:	Any							):






       '''simple docstring'''


       self.insert_nth(len(self							)      ,       lowerCamelCase_							)
      def SCREAMING_SNAKE_CASE_	(		self	:	Dict      ,       A_	:	Any							):






       '''simple docstring'''


       self.insert_nth(0      ,       lowerCamelCase_							)
      def SCREAMING_SNAKE_CASE_	(		self	:	Optional[int]      ,       A_	:	int      ,       A_	:	Any							):






       '''simple docstring'''


       if not 0 <= index <= len(self							):
        raise IndexError("""list index out of range"""							)
       __lowercase									=	Node(lowerCamelCase_							)
       if self.head is None:
        __lowercase									=	new_node
       elif index == 0:
        __lowercase									=	self.head  # link new_node to head
        __lowercase									=	new_node
       else:
        __lowercase									=	self.head
        for _ in range(index - 1							):
         __lowercase									=	temp.next
        __lowercase									=	temp.next
        __lowercase									=	new_node
      def SCREAMING_SNAKE_CASE_	(		self	:	Optional[Any]							):  # print every node data






       '''simple docstring'''


       print(self							)
      def SCREAMING_SNAKE_CASE_	(		self	:	Union[str, Any]							):






       '''simple docstring'''


       return self.delete_nth(0							)
      def SCREAMING_SNAKE_CASE_	(		self	:	List[Any]							):  # delete from tail






       '''simple docstring'''


       return self.delete_nth(len(self							) - 1							)
      def SCREAMING_SNAKE_CASE_	(		self	:	Tuple      ,       A_	:	int = 0							):






       '''simple docstring'''


       if not 0 <= index <= len(self							) - 1:  # test if index is valid
        raise IndexError("""List index out of range."""							)
       __lowercase									=	self.head  # default first node
       if index == 0:
        __lowercase									=	self.head.next
       else:
        __lowercase									=	self.head
        for _ in range(index - 1							):
         __lowercase									=	temp.next
        __lowercase									=	temp.next
        __lowercase									=	temp.next.next
       return delete_node.data
      def SCREAMING_SNAKE_CASE_	(		self	:	Dict							):






       '''simple docstring'''


       return self.head is None






      def SCREAMING_SNAKE_CASE_	(		self	:	List[str]							):






       '''simple docstring'''


       __lowercase									=	None
       __lowercase									=	self.head

       while current:
        # Store the current node's next node.
        __lowercase									=	current.next
        # Make the current node's next point backwards
        __lowercase									=	prev
        # Make the previous node be the current node
        __lowercase									=	current
        # Make the current node the next node (to progress iteration)
        __lowercase									=	next_node
       # Return prev in order to put the head at the end
       __lowercase									=	prev






def lowerCAmelCase_      (				):






 """simple docstring"""







 __lowercase									=	LinkedList()
 assert linked_list.is_empty() is True
 assert str(lowerCamelCase_ ) == ""

 try:
  linked_list.delete_head()
  raise AssertionError  # This should not happen.
 except IndexError:
  assert True  # This should happen.

 try:
  linked_list.delete_tail()
  raise AssertionError  # This should not happen.
 except IndexError:
  assert True  # This should happen.

 for i in range(10 ):
  assert len(lowerCamelCase_ ) == i
  linked_list.insert_nth(lowerCamelCase_				,   i + 1 )
 assert str(lowerCamelCase_ ) == "->".join(str(lowerCamelCase_ ) for i in range(1				,   11 ) )

 linked_list.insert_head(0 )
 linked_list.insert_tail(11 )
 assert str(lowerCamelCase_ ) == "->".join(str(lowerCamelCase_ ) for i in range(0				,   12 ) )

 assert linked_list.delete_head() == 0
 assert linked_list.delete_nth(9 ) == 10
 assert linked_list.delete_tail() == 11
 assert len(lowerCamelCase_ ) == 9
 assert str(lowerCamelCase_ ) == "->".join(str(lowerCamelCase_ ) for i in range(1				,   10 ) )

 assert all(linked_list[i] == i + 1 for i in range(0				,   9 ) ) is True

 for i in range(0				,   9 ):
  __lowercase									=	-i
 assert all(linked_list[i] == -i for i in range(0				,   9 ) ) is True

 linked_list.reverse()
 assert str(lowerCamelCase_ ) == "->".join(str(lowerCamelCase_ ) for i in range(-8				,   1 ) )


def lowerCAmelCase_      (				):






 """simple docstring"""







 __lowercase									=	[
     -9,
     100,
     Node(77345112 ),
     """dlrow olleH""",
     7,
     5555,
     0,
     -192.5_5555,
     """Hello, world!""",
     77.9,
     Node(10 ),
     None,
     None,
     12.20,
 ]
 __lowercase									=	LinkedList()

 for i in test_input:
  linked_list.insert_tail(lowerCamelCase_ )

 # Check if it's empty or not
 assert linked_list.is_empty() is False
 assert (
     str(lowerCamelCase_ ) == "-9->100->Node(77345112)->dlrow olleH->7->5555->0->"
     "-192.55555->Hello, world!->77.9->Node(10)->None->None->12.2"
 )

 # Delete the head
 __lowercase									=	linked_list.delete_head()
 assert result == -9
 assert (
     str(lowerCamelCase_ ) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
     "Hello, world!->77.9->Node(10)->None->None->12.2"
 )

 # Delete the tail
 __lowercase									=	linked_list.delete_tail()
 assert result == 12.2
 assert (
     str(lowerCamelCase_ ) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
     "Hello, world!->77.9->Node(10)->None->None"
 )

 # Delete a node in specific location in linked list
 __lowercase									=	linked_list.delete_nth(10 )
 assert result is None
 assert (
     str(lowerCamelCase_ ) == "100->Node(77345112)->dlrow olleH->7->5555->0->-192.55555->"
     "Hello, world!->77.9->Node(10)->None"
 )

 # Add a Node instance to its head
 linked_list.insert_head(Node("""Hello again, world!""" ) )
 assert (
     str(lowerCamelCase_ )
     == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
     "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None"
 )

 # Add None to its tail
 linked_list.insert_tail(lowerCamelCase_ )
 assert (
     str(lowerCamelCase_ )
     == "Node(Hello again, world!)->100->Node(77345112)->dlrow olleH->"
     "7->5555->0->-192.55555->Hello, world!->77.9->Node(10)->None->None"
 )

 # Reverse the linked list
 linked_list.reverse()
 assert (
     str(lowerCamelCase_ )
     == "None->None->Node(10)->77.9->Hello, world!->-192.55555->0->5555->"
     "7->dlrow olleH->Node(77345112)->100->Node(Hello again, world!)"
 )


def lowerCAmelCase_      (				):






 """simple docstring"""







 from doctest import testmod

 testmod()

 __lowercase									=	LinkedList()
 linked_list.insert_head(input("""Inserting 1st at head """ ).strip() )
 linked_list.insert_head(input("""Inserting 2nd at head """ ).strip() )
 print("""\nPrint list:""" )
 linked_list.print_list()
 linked_list.insert_tail(input("""\nInserting 1st at tail """ ).strip() )
 linked_list.insert_tail(input("""Inserting 2nd at tail """ ).strip() )
 print("""\nPrint list:""" )
 linked_list.print_list()
 print("""\nDelete head""" )
 linked_list.delete_head()
 print("""Delete tail""" )
 linked_list.delete_tail()
 print("""\nPrint list:""" )
 linked_list.print_list()
 print("""\nReverse linked list""" )
 linked_list.reverse()
 print("""\nPrint list:""" )
 linked_list.print_list()
 print("""\nString representation of linked list:""" )
 print(lowerCamelCase_ )
 print("""\nReading/changing Node data using indexing:""" )
 print(f'''Element at Position 1: {linked_list[1]}''' )
 __lowercase									=	input("""Enter New Value: """ ).strip()
 print("""New list:""" )
 print(lowerCamelCase_ )
 print(f'''length of linked_list is : {len(lowerCamelCase_ )}''' )


if __name__ == "__main__":
     main()




"""simple docstring"""

import warnings
from collections import OrderedDict
from typing import Mapping

from packaging import version

from ...configuration_utils import PretrainedConfig
from ...onnx import OnnxConfig
from ...utils import logging


UpperCAmelCase__  							=logging.get_logger(__name__)

UpperCAmelCase__  							={
    "nvidia/segformer-b0-finetuned-ade-512-512": (
        "https://huggingface.co/nvidia/segformer-b0-finetuned-ade-512-512/resolve/main/config.json"
    ),
    # See all SegFormer models at https://huggingface.co/models?filter=segformer
}





class    lowerCamelCase__						(		_a    ):
      a :     Optional[int]											=		"""segformer"""
      def __init__(		self	:	str      ,       A_	:	Optional[int]=3      ,       A_	:	Any=4      ,       A_	:	Optional[int]=[2, 2, 2, 2]      ,       A_	:	str=[8, 4, 2, 1]      ,       A_	:	Any=[3_2, 6_4, 1_6_0, 2_5_6]      ,       A_	:	Union[str, Any]=[7, 3, 3, 3]      ,       A_	:	Any=[4, 2, 2, 2]      ,       A_	:	int=[1, 2, 5, 8]      ,       A_	:	Union[str, Any]=[4, 4, 4, 4]      ,       A_	:	Optional[Any]="gelu"      ,       A_	:	List[str]=0.0      ,       A_	:	Any=0.0      ,       A_	:	Optional[Any]=0.1      ,       A_	:	List[str]=0.02      ,       A_	:	Tuple=0.1      ,       A_	:	Optional[Any]=1e-6      ,       A_	:	Optional[int]=2_5_6      ,       A_	:	Optional[Any]=2_5_5      ,       **A_	:	Union[str, Any]      ,       ):






       '''simple docstring'''


       super().__init__(**A_							)

       if "reshape_last_stage" in kwargs and kwargs["reshape_last_stage"] is False:
        warnings.warn(
            """Reshape_last_stage is set to False in this config. This argument is deprecated and will soon be"""
            """ removed, as the behaviour will default to that of reshape_last_stage = True."""      ,       A_      ,       )

       __lowercase									=	num_channels
       __lowercase									=	num_encoder_blocks
       __lowercase									=	depths
       __lowercase									=	sr_ratios
       __lowercase									=	hidden_sizes
       __lowercase									=	patch_sizes
       __lowercase									=	strides
       __lowercase									=	mlp_ratios
       __lowercase									=	num_attention_heads
       __lowercase									=	hidden_act
       __lowercase									=	hidden_dropout_prob
       __lowercase									=	attention_probs_dropout_prob
       __lowercase									=	classifier_dropout_prob
       __lowercase									=	initializer_range
       __lowercase									=	drop_path_rate
       __lowercase									=	layer_norm_eps
       __lowercase									=	decoder_hidden_size
       __lowercase									=	kwargs.get("""reshape_last_stage"""      ,       A_							)
       __lowercase									=	semantic_loss_ignore_index






class    lowerCamelCase__						(		_a    ):
      a :     List[str]											=		version.parse("""1.11"""    )
      @property
      def SCREAMING_SNAKE_CASE_	(		self	:	Any							):






       '''simple docstring'''


       return OrderedDict(
           [
               ("""pixel_values""", {0: """batch""", 1: """num_channels""", 2: """height""", 3: """width"""}),
           ]							)
      @property
      def SCREAMING_SNAKE_CASE_	(		self	:	int							):






       '''simple docstring'''


       return 1e-4






      @property
      def SCREAMING_SNAKE_CASE_	(		self	:	int							):






       '''simple docstring'''


       return 1_2
