






class 					UpperCamelCase_ :



	'''simple docstring'''




	def __init__(			self			,     a = ""			,     a = False   )			->       None:
								# Mapping from the first character of the prefix of the node
								snake_case_           =				{}

								# A node will be a leaf if the tree contains its word
								snake_case_           =				is_leaf

								snake_case_           =				prefix




	def 				_UpperCamelCase     (			self			,     a   )			->       tuple[str, str, str]:
								snake_case_           =				0
								for q, w in zip(self.prefix			,     a   ):
															if q != w:
																						break

															x += 1

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




	def 				_UpperCamelCase     (			self			,     a   )			->       None:
								for word in words:
															self.insert(a   )




	def 				_UpperCamelCase     (			self			,     a   )			->       None:
								# Case 1: If the word is the prefix of the node
								# Solution: We set the current node as leaf
								if self.prefix == word:
															snake_case_           =				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:
															snake_case_           =				RadixNode(prefix=a			,     is_leaf=a   )

								else:
															snake_case_           =				self.nodes[word[0]]
															snake_case_     ,						snake_case_     ,						snake_case_           =				incoming_node.match(
															    a   )

															# 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(a   )

															# 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:
																						snake_case_           =				remaining_prefix

																						snake_case_           =				self.nodes[matching_string[0]]
																						snake_case_           =				RadixNode(a			,     a   )
																						snake_case_           =				aux_node

																						if remaining_word == "":
																													snake_case_           =				True
																						else:
																													self.nodes[matching_string[0]].insert(a   )




	def 				_UpperCamelCase     (			self			,     a   )			->       bool:
								snake_case_           =				self.nodes.get(word[0]			,     a   )
								if not incoming_node:
															return False
								else:
															snake_case_     ,						snake_case_     ,						snake_case_           =				incoming_node.match(
															    a   )
															# 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(a   )




	def 				_UpperCamelCase     (			self			,     a   )			->       bool:
								snake_case_           =				self.nodes.get(word[0]			,     a   )
								if not incoming_node:
															return False
								else:
															snake_case_     ,						snake_case_     ,						snake_case_           =				incoming_node.match(
															    a   )
															# 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(a   )
															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:
																																											snake_case_           =				list(self.nodes.values()   )[0]
																																											snake_case_           =				merging_node.is_leaf
																																											self.prefix += merging_node.prefix
																																											snake_case_           =				merging_node.nodes
                    # If there is more than 1 edge, we just mark it as non-leaf
																													elif len(incoming_node.nodes   ) > 1:
																																				snake_case_           =				False
																													# If there is 1 edge, we merge it with its child
																													else:
																																				snake_case_           =				list(incoming_node.nodes.values()   )[0]
																																				snake_case_           =				merging_node.is_leaf
																																				incoming_node.prefix += merging_node.prefix
																																				snake_case_           =				merging_node.nodes

																													return True






	def 				_UpperCamelCase     (			self			,     a = 0   )			->       None:
								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 		__UpperCAmelCase     (	):
							snake_case_           =				'banana bananas bandana band apple all beast'.split()
							snake_case_           =				RadixNode()
							root.insert_many(a_)

							assert all(root.find(a_) 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 		__UpperCAmelCase     (	):
							assert test_trie()





def 		__UpperCAmelCase     (	):
							snake_case_           =				RadixNode()
							snake_case_           =				'banana bananas bandanas bandana band apple all beast'.split()
							root.insert_many(a_)

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


if __name__ == "__main__":
	main()













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

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




@dataclass(frozen=snake_case_							)
class 					UpperCamelCase_ (     snake_case_							):



	'''simple docstring'''




	lowerCAmelCase						=					field(default='''language-modeling'''			,   metadata={'''include_in_asdict_even_if_is_default''': True}							)

	lowerCAmelCase						=					Features({'''text''': Value('''string'''							)}							)
	lowerCAmelCase						=					Features({}							)
	lowerCAmelCase						=					"text"




	@property
	def 				_UpperCamelCase     (			self   )			->       Dict[str, str]:
								return {self.text_column: "text"}





