






'''simple docstring'''
from typing import Any


class 							_UpperCAmelCase    :




    def __init__(      self	:							Any	,  a	:							Any      ):






       '''simple docstring'''






       lowercase_						:     Tuple							     =  data
       lowercase_						:     int							     =  None





    def __repr__(      self	:							str      ):






       '''simple docstring'''






       return f"""Node({self.data})"""


class 							_UpperCAmelCase    :




    def __init__(      self	:							Optional[Any]      ):






       '''simple docstring'''






       lowercase_						:     Any							     =  None




    def __iter__(      self	:							List[str]      ):






       '''simple docstring'''






       lowercase_						:     Union[str, Any]							     =  self.head
       while node:
          yield node.data
          lowercase_						:     Any							     =  node.next




    def __len__(      self	:							Any      ):






       '''simple docstring'''






       return sum(1 for _ in self      )




    def __repr__(      self	:							Any      ):






       '''simple docstring'''






       return "->".join([str(a      ) for item in self]      )




    def __getitem__(      self	:							List[str]	,  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	:							List[Any]	,  a	:							int	,  a	:							Any      ):






       '''simple docstring'''






       if not 0 <= index < len(self      ):
          raise ValueError("list index out of range."      )
       lowercase_						:     Optional[int]							     =  self.head
       for _ in range(a      ):
          lowercase_						:     str							     =  current.next
       lowercase_						:     List[Any]							     =  data




    def 					lowerCAmelCase__					(      self	:							int	,  a	:							Any      ):






       '''simple docstring'''






       self.insert_nth(len(self      )	,  a      )




    def 					lowerCAmelCase__					(      self	:							List[str]	,  a	:							Any      ):






       '''simple docstring'''






       self.insert_nth(0	,  a      )




    def 					lowerCAmelCase__					(      self	:							str	,  a	:							int	,  a	:							Any      ):






       '''simple docstring'''






       if not 0 <= index <= len(self      ):
          raise IndexError("list index out of range"      )
       lowercase_						:     List[str]							     =  Node(a      )
       if self.head is None:
          lowercase_						:     str							     =  new_node
       elif index == 0:
          lowercase_						:     Dict							     =  self.head  # link new_node to head
          lowercase_						:     Optional[Any]							     =  new_node
       else:
          lowercase_						:     Any							     =  self.head
          for _ in range(index - 1      ):
             lowercase_						:     Any							     =  temp.next
          lowercase_						:     Optional[Any]							     =  temp.next
          lowercase_						:     List[str]							     =  new_node




    def 					lowerCAmelCase__					(      self	:							Union[str, Any]      ):  # print every node data






       '''simple docstring'''






       print(self      )




    def 					lowerCAmelCase__					(      self	:							Any      ):






       '''simple docstring'''






       return self.delete_nth(0      )




    def 					lowerCAmelCase__					(      self	:							Dict      ):  # delete from tail






       '''simple docstring'''






       return self.delete_nth(len(self      ) - 1      )




    def 					lowerCAmelCase__					(      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_						:     Optional[Any]							     =  self.head  # default first node
       if index == 0:
          lowercase_						:     Union[str, Any]							     =  self.head.next
       else:
          lowercase_						:     str							     =  self.head
          for _ in range(index - 1      ):
             lowercase_						:     Union[str, Any]							     =  temp.next
          lowercase_						:     Any							     =  temp.next
          lowercase_						:     Optional[int]							     =  temp.next.next
       return delete_node.data




    def 					lowerCAmelCase__					(      self	:							List[str]      ):






       '''simple docstring'''






       return self.head is None





    def 					lowerCAmelCase__					(      self	:							Any      ):






       '''simple docstring'''






       lowercase_						:     Tuple							     =  None
       lowercase_						:     Dict							     =  self.head

       while current:
          # Store the current node's next node.
          lowercase_						:     str							     =  current.next
          # Make the current node's next point backwards
          lowercase_						:     Optional[int]							     =  prev
          # Make the previous node be the current node
          lowercase_						:     Any							     =  current
          # Make the current node the next node (to progress iteration)
          lowercase_						:     Dict							     =  next_node
       # Return prev in order to put the head at the end
       lowercase_						:     List[str]							     =  prev




def 		__SCREAMING_SNAKE_CASE       (	):


   """simple docstring"""




   lowercase_						:     int							     =  LinkedList()
   assert linked_list.is_empty() is True
   assert str(_UpperCamelCase				) == ""

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

   linked_list.insert_head(0				)
   linked_list.insert_tail(11				)
   assert str(_UpperCamelCase				) == "->".join(str(_UpperCamelCase				) 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(_UpperCamelCase				) == 9
   assert str(_UpperCamelCase				) == "->".join(str(_UpperCamelCase				) 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_						:     Optional[int]							     =  -i
   assert all(linked_list[i] == -i for i in range(0    ,		9				)				) is True

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




def 		__SCREAMING_SNAKE_CASE       (	):


   """simple docstring"""




   lowercase_						:     Optional[int]							     =  [
       -9,
       100,
       Node(7734_5112				),
       "dlrow olleH",
       7,
       5555,
       0,
       -192.55555,
       "Hello, world!",
       77.9,
       Node(10				),
       None,
       None,
       12.20,
   ]
   lowercase_						:     List[Any]							     =  LinkedList()

   for i in test_input:
      linked_list.insert_tail(_UpperCamelCase				)

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

   # Delete the tail
   lowercase_						:     Tuple							     =  linked_list.delete_tail()
   assert result == 12.2
   assert (
       str(_UpperCamelCase				) == "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_						:     List[Any]							     =  linked_list.delete_nth(10				)
   assert result is None
   assert (
       str(_UpperCamelCase				) == "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(_UpperCamelCase				)
       == "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(_UpperCamelCase				)
   assert (
       str(_UpperCamelCase				)
       == "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(_UpperCamelCase				)
       == "None->None->Node(10)->77.9->Hello, world!->-192.55555->0->5555->"
       "7->dlrow olleH->Node(77345112)->100->Node(Hello again, world!)"
   )




def 		__SCREAMING_SNAKE_CASE       (	):


   """simple docstring"""




   from doctest import testmod

   testmod()

   lowercase_						:     Any							     =  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(_UpperCamelCase				)
   print("\nReading/changing Node data using indexing:"				)
   print(F"""Element at Position 1: {linked_list[1]}"""				)
   lowercase_						:     Any							     =  input("Enter New Value: "				).strip()
   print("New list:"				)
   print(_UpperCamelCase				)
   print(F"""length of linked_list is : {len(_UpperCamelCase				)}"""				)


if __name__ == "__main__":
 main()












'''simple docstring'''
import flax.linen as nn
import jax
import jax.numpy as jnp


class 							_UpperCAmelCase    (		nn.Module      ):
    __lowerCamelCase: int
    __lowerCamelCase: jnp.dtype									=     jnp.floataa




    def 					lowerCAmelCase__					(      self	:							Optional[Any]      ):






       '''simple docstring'''






       lowercase_						:     List[Any]							     =  nn.Conv(
           self.out_channels	,  kernel_size=(3, 3)	,  strides=(1, 1)	,  padding=((1, 1), (1, 1))	,  dtype=self.dtype	,  )





    def __call__(      self	:							List[str]	,  a	:							Optional[int]      ):






       '''simple docstring'''






       lowercase_     ,		lowercase_     ,		lowercase_     ,		lowercase_						:     Optional[Any]							     =  hidden_states.shape
       lowercase_						:     Tuple							     =  jax.image.resize(
           a	,  shape=(batch, height * 2, width * 2, channels)	,  method="nearest"	,  )
       lowercase_						:     List[Any]							     =  self.conv(a      )
       return hidden_states


class 							_UpperCAmelCase    (		nn.Module      ):
    __lowerCamelCase: int
    __lowerCamelCase: jnp.dtype									=     jnp.floataa




    def 					lowerCAmelCase__					(      self	:							Optional[Any]      ):






       '''simple docstring'''






       lowercase_						:     Any							     =  nn.Conv(
           self.out_channels	,  kernel_size=(3, 3)	,  strides=(2, 2)	,  padding=((1, 1), (1, 1))	,  dtype=self.dtype	,  )





    def __call__(      self	:							Any	,  a	:							int      ):






       '''simple docstring'''






       lowercase_						:     Any							     =  self.conv(a      )
       return hidden_states


class 							_UpperCAmelCase    (		nn.Module      ):
    __lowerCamelCase: int
    __lowerCamelCase: int									=     None
    __lowerCamelCase: float									=     0.0
    __lowerCamelCase: bool									=     None
    __lowerCamelCase: jnp.dtype									=     jnp.floataa




    def 					lowerCAmelCase__					(      self	:							Optional[int]      ):






       '''simple docstring'''






       lowercase_						:     Union[str, Any]							     =  self.in_channels if self.out_channels is None else self.out_channels

       lowercase_						:     Optional[int]							     =  nn.GroupNorm(num_groups=3_2	,  epsilon=1e-5      )
       lowercase_						:     Tuple							     =  nn.Conv(
           a	,  kernel_size=(3, 3)	,  strides=(1, 1)	,  padding=((1, 1), (1, 1))	,  dtype=self.dtype	,  )

       lowercase_						:     List[str]							     =  nn.Dense(a	,  dtype=self.dtype      )

       lowercase_						:     Optional[int]							     =  nn.GroupNorm(num_groups=3_2	,  epsilon=1e-5      )
       lowercase_						:     Any							     =  nn.Dropout(self.dropout_prob      )
       lowercase_						:     Dict							     =  nn.Conv(
           a	,  kernel_size=(3, 3)	,  strides=(1, 1)	,  padding=((1, 1), (1, 1))	,  dtype=self.dtype	,  )

       lowercase_						:     Tuple							     =  self.in_channels != out_channels if self.use_nin_shortcut is None else self.use_nin_shortcut

       lowercase_						:     Optional[Any]							     =  None
       if use_nin_shortcut:
          lowercase_						:     Union[str, Any]							     =  nn.Conv(
              a	,  kernel_size=(1, 1)	,  strides=(1, 1)	,  padding="VALID"	,  dtype=self.dtype	,  )





    def __call__(      self	:							List[str]	,  a	:							str	,  a	:							Dict	,  a	:							List[str]=True      ):






       '''simple docstring'''






       lowercase_						:     Dict							     =  hidden_states
       lowercase_						:     int							     =  self.norma(a      )
       lowercase_						:     List[Any]							     =  nn.swish(a      )
       lowercase_						:     Dict							     =  self.conva(a      )

       lowercase_						:     Optional[int]							     =  self.time_emb_proj(nn.swish(a      )      )
       lowercase_						:     Tuple							     =  jnp.expand_dims(jnp.expand_dims(a	,  1      )	,  1      )
       lowercase_						:     List[str]							     =  hidden_states + temb

       lowercase_						:     Optional[Any]							     =  self.norma(a      )
       lowercase_						:     Any							     =  nn.swish(a      )
       lowercase_						:     List[str]							     =  self.dropout(a	,  a      )
       lowercase_						:     int							     =  self.conva(a      )

       if self.conv_shortcut is not None:
          lowercase_						:     List[str]							     =  self.conv_shortcut(a      )

       return hidden_states + residual




