
class UpperCAmelCase   :





   '''simple docstring'''


   def __init__(					self     :							int     ):

      """simple docstring"""
      _A:  dict[str, TrieNode]					=       {}  # Mapping from char to TrieNode
      _A:  List[Any]					=       False


   def  __magic_name__				(					self     :							Dict			,			lowerCAmelCase_     :							list[str]     ):

      """simple docstring"""
      for word in words:
         self.insert(lowerCAmelCase_     )


   def  __magic_name__				(					self     :							List[str]			,			lowerCAmelCase_     :							str     ):

      """simple docstring"""
      _A:  int					=       self
      for char in word:
         if char not in curr.nodes:
            _A:  Dict					=       TrieNode()
         _A:  Dict					=       curr.nodes[char]
      _A:  Optional[int]					=       True


   def  __magic_name__				(					self     :							Union[str, Any]			,			lowerCAmelCase_     :							str     ):

      """simple docstring"""
      _A:  Union[str, Any]					=       self
      for char in word:
         if char not in curr.nodes:
            return False
         _A:  int					=       curr.nodes[char]
      return curr.is_leaf


   def  __magic_name__				(					self     :							Optional[Any]			,			lowerCAmelCase_     :							str     ):

      """simple docstring"""

      def _delete(lowerCAmelCase_     :							TrieNode			,			lowerCAmelCase_     :							str			,			lowerCAmelCase_     :							int     ) -> bool:
         if index == len(lowerCAmelCase_     ):
            # If word does not exist
            if not curr.is_leaf:
               return False
            _A:  Union[str, Any]					=       False
            return len(curr.nodes     ) == 0
         _A:  str					=       word[index]
         _A:  Optional[Any]					=       curr.nodes.get(lowerCAmelCase_     )
         # If char not in current trie node
         if not char_node:
            return False
         # Flag to check if node can be deleted
         _A:  Tuple					=       _delete(lowerCAmelCase_			,			lowerCAmelCase_			,			index + 1     )
         if delete_curr:
            del curr.nodes[char]
            return len(curr.nodes     ) == 0
         return delete_curr

      _delete(self			,			lowerCAmelCase_			,			0     )






def   lowerCamelCase__							(					a		,		a      )      ->   None:
   if node.is_leaf:
      print(a		,		end=''' '''      )

   for key, value in node.nodes.items():
      print_words(a		,		word + key      )






def   lowerCamelCase__							(					)      ->   bool:
   _A:  Any					=       '''banana bananas bandana band apple all beast'''.split()
   _A:  Dict					=       TrieNode()
   root.insert_many(a      )
   # print_words(root, "")
   assert all(root.find(a      ) for word in words      )
   assert root.find('''banana'''      )
   assert not root.find('''bandanas'''      )
   assert not root.find('''apps'''      )
   assert root.find('''apple'''      )
   assert root.find('''all'''      )
   root.delete('''all'''      )
   assert not root.find('''all'''      )
   root.delete('''banana'''      )
   assert not root.find('''banana'''      )
   assert root.find('''bananas'''      )
   return True






def   lowerCamelCase__							(					a		,		a      )      ->   None:
   print(str(a      )		,		'''works!''' if passes else '''doesn\'t work :('''      )






def   lowerCamelCase__							(					)      ->   None:
   assert test_trie()






def   lowerCamelCase__							(					)      ->   None:
   print_results('''Testing trie functionality'''		,		test_trie()      )


if __name__ == "__main__":
   main()





from dataclasses import dataclass, field
from typing import ClassVar, Dict

from ..features import Features, Sequence, Value
from .base import TaskTemplate






@dataclass(frozen=SCREAMING_SNAKE_CASE__   )
class UpperCAmelCase   (						SCREAMING_SNAKE_CASE__   ):





   '''simple docstring'''
   # `task` is not a ClassVar since we want it to be part of the `asdict` output for JSON serialization
   __UpperCamelCase		:    str 				=    field(default='''question-answering-extractive'''							,							metadata={'''include_in_asdict_even_if_is_default''': True}   )
   __UpperCamelCase		:    ClassVar[Features] 				=    Features({'''question''': Value('''string'''   ), '''context''': Value('''string'''   )}   )
   __UpperCamelCase		:    ClassVar[Features] 				=    Features(
       {
           '''answers''': Sequence(
               {
                   '''text''': Value('''string'''   ),
                   '''answer_start''': Value('''int32'''   ),
               }   )
       }   )
   __UpperCamelCase		:    str 				=    "question"
   __UpperCamelCase		:    str 				=    "context"
   __UpperCamelCase		:    str 				=    "answers"


   @property
   def  __magic_name__				(					self     :							List[str]     ):

      """simple docstring"""
      return {self.question_column: "question", self.context_column: "context", self.answers_column: "answers"}



