class 		_lowercase						:

 def __init__( self	:							List[str]   ,      snake_case	:							str = ""   ,      snake_case	:							bool = False			)   ->						None:

  """simple docstring"""





  UpperCamelCase_					:						dict[str, RadixNode] =					{}

  # A node will be a leaf if the tree contains its word
  UpperCamelCase_					:						Optional[int] =					is_leaf

  UpperCamelCase_					:						Tuple =					prefix

 def 						SCREAMING_SNAKE_CASE__   ( self	:							List[str]   ,      snake_case	:							str			)   ->						tuple[str, str, str]:

  """simple docstring"""





  UpperCamelCase_					:						List[Any] =					0
  for q, w in zip(self.prefix   ,      snake_case			):
   if q != w:
    break

   x += 1

  return self.prefix[:x], self.prefix[x:], word[x:]

 def 						SCREAMING_SNAKE_CASE__   ( self	:							List[Any]   ,      snake_case	:							list[str]			)   ->						None:

  """simple docstring"""





  for word in words:
   self.insert(snake_case			)

 def 						SCREAMING_SNAKE_CASE__   ( self	:							Optional[Any]   ,      snake_case	:							str			)   ->						None:

  """simple docstring"""





  if self.prefix == word:
   UpperCamelCase_					:						Optional[int] =					True

  # Case 2: The node has no edges that have a prefix to the word
  # Solution: We create an edge from the current node to a new one
  # containing the word
  elif word[0] not in self.nodes:
   UpperCamelCase_					:						str =					RadixNode(prefix=snake_case   ,      is_leaf=snake_case			)

  else:
   UpperCamelCase_					:						Optional[Any] =					self.nodes[word[0]]
   UpperCamelCase_, UpperCamelCase_, UpperCamelCase_					:						int =					incoming_node.match(
       snake_case			)

   # Case 3: The node prefix is equal to the matching
   # Solution: We insert remaining word on the next node
   if remaining_prefix == "":
    self.nodes[matching_string[0]].insert(snake_case			)

   # Case 4: The word is greater equal to the matching
   # Solution: Create a node in between both nodes, change
   # prefixes and add the new node for the remaining word
   else:
    UpperCamelCase_					:						str =					remaining_prefix

    UpperCamelCase_					:						Union[str, Any] =					self.nodes[matching_string[0]]
    UpperCamelCase_					:						Any =					RadixNode(snake_case   ,      snake_case			)
    UpperCamelCase_					:						Union[str, Any] =					aux_node

    if remaining_word == "":
     UpperCamelCase_					:						Optional[Any] =					True
    else:
     self.nodes[matching_string[0]].insert(snake_case			)

 def 						SCREAMING_SNAKE_CASE__   ( self	:							List[str]   ,      snake_case	:							str			)   ->						bool:

  """simple docstring"""





  UpperCamelCase_					:						Optional[Any] =					self.nodes.get(word[0]   ,      snake_case			)
  if not incoming_node:
   return False
  else:
   UpperCamelCase_, UpperCamelCase_, UpperCamelCase_					:						int =					incoming_node.match(
       snake_case			)
   # If there is remaining prefix, the word can't be on the tree
   if remaining_prefix != "":
    return False
   # This applies when the word and the prefix are equal
   elif remaining_word == "":
    return incoming_node.is_leaf
   # We have word remaining so we check the next node
   else:
    return incoming_node.find(snake_case			)

 def 						SCREAMING_SNAKE_CASE__   ( self	:							str   ,      snake_case	:							str			)   ->						bool:

  """simple docstring"""





  UpperCamelCase_					:						List[str] =					self.nodes.get(word[0]   ,      snake_case			)
  if not incoming_node:
   return False
  else:
   UpperCamelCase_, UpperCamelCase_, UpperCamelCase_					:						str =					incoming_node.match(
       snake_case			)
   # If there is remaining prefix, the word can't be on the tree
   if remaining_prefix != "":
    return False
   # We have word remaining so we check the next node
   elif remaining_word != "":
    return incoming_node.delete(snake_case			)
   else:
    # If it is not a leaf, we don't have to delete
    if not incoming_node.is_leaf:
     return False
    else:
     # We delete the nodes if no edges go from it
     if len(incoming_node.nodes			) == 0:
      del self.nodes[word[0]]
      # We merge the current node with its only child
      if len(self.nodes			) == 1 and not self.is_leaf:
       UpperCamelCase_					:						List[Any] =					list(self.nodes.values()			)[0]
       UpperCamelCase_					:						Dict =					merging_node.is_leaf
       self.prefix += merging_node.prefix
       UpperCamelCase_					:						Optional[Any] =					merging_node.nodes
                    # If there is more than 1 edge, we just mark it as non-leaf
     elif len(incoming_node.nodes			) > 1:
      UpperCamelCase_					:						Dict =					False
     # If there is 1 edge, we merge it with its child
     else:
      UpperCamelCase_					:						Union[str, Any] =					list(incoming_node.nodes.values()			)[0]
      UpperCamelCase_					:						List[Any] =					merging_node.is_leaf
      incoming_node.prefix += merging_node.prefix
      UpperCamelCase_					:						Tuple =					merging_node.nodes

     return True


 def 						SCREAMING_SNAKE_CASE__   ( self	:							Union[str, Any]   ,      snake_case	:							int = 0			)   ->						None:

  """simple docstring"""





  if self.prefix != "":
   print('-' * height   ,      self.prefix   ,      '  (leaf)' if self.is_leaf else ''			)

  for value in self.nodes.values():
   value.print_tree(height + 1			)





def    __lowercase     (						):
 UpperCamelCase_					:						int =					'banana bananas bandana band apple all beast'.split()
 UpperCamelCase_					:						str =					RadixNode()
 root.insert_many(lowerCamelCase	)

 assert all(root.find(lowerCamelCase	) for word in words	)
 assert not root.find('bandanas'	)
 assert not root.find('apps'	)
 root.delete('all'	)
 assert not root.find('all'	)
 root.delete('banana'	)
 assert not root.find('banana'	)
 assert root.find('bananas'	)

 return True





def    __lowercase     (						):
 assert test_trie()





def    __lowercase     (						):
 UpperCamelCase_					:						List[Any] =					RadixNode()
 UpperCamelCase_					:						Optional[Any] =					'banana bananas bandanas bandana band apple all beast'.split()
 root.insert_many(lowerCamelCase	)

 print('Words:'  ,  lowerCamelCase	)
 print('Tree:'	)
 root.print_tree()


if __name__ == "__main__":
   main()




from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_tf_available,
    is_torch_available,
)


a_    					=       {'configuration_encoder_decoder': ['EncoderDecoderConfig']}

try:
   if not is_torch_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   a_    					=       ['EncoderDecoderModel']

try:
   if not is_tf_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   a_    					=       ['TFEncoderDecoderModel']

try:
   if not is_flax_available():
      raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
   pass
else:
   a_    					=       ['FlaxEncoderDecoderModel']

if TYPE_CHECKING:
   from .configuration_encoder_decoder import EncoderDecoderConfig

   try:
      if not is_torch_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .modeling_encoder_decoder import EncoderDecoderModel

   try:
      if not is_tf_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .modeling_tf_encoder_decoder import TFEncoderDecoderModel

   try:
      if not is_flax_available():
         raise OptionalDependencyNotAvailable()
   except OptionalDependencyNotAvailable:
      pass
   else:
      from .modeling_flax_encoder_decoder import FlaxEncoderDecoderModel

else:
   import sys

   a_    					=       _LazyModule(__name__, globals()['__file__'], _import_structure, module_spec=__spec__)



