






class 	_UpperCAmelCase  :




      """simple docstring"""



      def __init__(   self    ,	_lowerCAmelCase = ""    ,	_lowerCAmelCase = False		):



          '''simple docstring'''
          # Mapping from the first character of the prefix of the node
          lowerCAmelCase__   :dict[str, RadixNode]      							=				{}

          # A node will be a leaf if the tree contains its word
          lowerCAmelCase__   :Union[str, Any]      							=				is_leaf

          lowerCAmelCase__   :List[str]      							=				prefix
      def 			snake_case_      (   self    ,	_lowerCAmelCase		):



          '''simple docstring'''
          lowerCAmelCase__   :int      							=				0
          for q, w in zip(self.prefix    ,	_lowerCAmelCase		):
              if q != w:
                  break

              x += 1

          return self.prefix[:x], self.prefix[x:], word[x:]
      def 			snake_case_      (   self    ,	_lowerCAmelCase		):



          '''simple docstring'''
          for word in words:
              self.insert(_lowerCAmelCase		)
      def 			snake_case_      (   self    ,	_lowerCAmelCase		):



          '''simple docstring'''
          # Case 1: If the word is the prefix of the node
          # Solution: We set the current node as leaf
          if self.prefix == word:
              lowerCAmelCase__   :Any      							=				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:
              lowerCAmelCase__   :List[str]      							=				RadixNode(prefix=_lowerCAmelCase    ,	is_leaf=_lowerCAmelCase		)

          else:
              lowerCAmelCase__   :str      							=				self.nodes[word[0]]
              lowerCAmelCase__							,lowerCAmelCase__							,lowerCAmelCase__   :int      							=				incoming_node.match(
                  _lowerCAmelCase		)

              # 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(_lowerCAmelCase		)

              # 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:
                  lowerCAmelCase__   :int      							=				remaining_prefix

                  lowerCAmelCase__   :Tuple      							=				self.nodes[matching_string[0]]
                  lowerCAmelCase__   :Dict      							=				RadixNode(_lowerCAmelCase    ,	_lowerCAmelCase		)
                  lowerCAmelCase__   :List[str]      							=				aux_node

                  if remaining_word == "":
                      lowerCAmelCase__   :Tuple      							=				True
                  else:
                      self.nodes[matching_string[0]].insert(_lowerCAmelCase		)
      def 			snake_case_      (   self    ,	_lowerCAmelCase		):



          '''simple docstring'''
          lowerCAmelCase__   :int      							=				self.nodes.get(word[0]    ,	_lowerCAmelCase		)
          if not incoming_node:
              return False
          else:
              lowerCAmelCase__							,lowerCAmelCase__							,lowerCAmelCase__   :Optional[int]      							=				incoming_node.match(
                  _lowerCAmelCase		)
              # 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(_lowerCAmelCase		)
      def 			snake_case_      (   self    ,	_lowerCAmelCase		):



          '''simple docstring'''
          lowerCAmelCase__   :Optional[Any]      							=				self.nodes.get(word[0]    ,	_lowerCAmelCase		)
          if not incoming_node:
              return False
          else:
              lowerCAmelCase__							,lowerCAmelCase__							,lowerCAmelCase__   :str      							=				incoming_node.match(
                  _lowerCAmelCase		)
              # 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(_lowerCAmelCase		)
              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:
                              lowerCAmelCase__   :List[Any]      							=				list(self.nodes.values()		)[0]
                              lowerCAmelCase__   :str      							=				merging_node.is_leaf
                              self.prefix += merging_node.prefix
                              lowerCAmelCase__   :List[str]      							=				merging_node.nodes
                    # If there is more than 1 edge, we just mark it as non-leaf
                      elif len(incoming_node.nodes		) > 1:
                          lowerCAmelCase__   :Optional[Any]      							=				False
                      # If there is 1 edge, we merge it with its child
                      else:
                          lowerCAmelCase__   :Union[str, Any]      							=				list(incoming_node.nodes.values()		)[0]
                          lowerCAmelCase__   :List[Any]      							=				merging_node.is_leaf
                          incoming_node.prefix += merging_node.prefix
                          lowerCAmelCase__   :List[Any]      							=				merging_node.nodes

                      return True



      def 			snake_case_      (   self    ,	_lowerCAmelCase = 0		):



          '''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 				snake_case__							(							):
    lowerCAmelCase__   :Union[str, Any]      							=				"banana bananas bandana band apple all beast".split()
    lowerCAmelCase__   :Tuple      							=				RadixNode()
    root.insert_many(UpperCAmelCase       )

    assert all(root.find(UpperCAmelCase       ) 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 				snake_case__							(							):
    assert test_trie()


def 				snake_case__							(							):
    lowerCAmelCase__   :Tuple      							=				RadixNode()
    lowerCAmelCase__   :Dict      							=				"banana bananas bandanas bandana band apple all beast".split()
    root.insert_many(UpperCAmelCase       )

    print("Words:"    ,			UpperCAmelCase       )
    print("Tree:"       )
    root.print_tree()


if __name__ == "__main__":
 main()











from argparse import ArgumentParser

from datasets.commands.convert import ConvertCommand
from datasets.commands.dummy_data import DummyDataCommand
from datasets.commands.env import EnvironmentCommand
from datasets.commands.run_beam import RunBeamCommand
from datasets.commands.test import TestCommand
from datasets.utils.logging import set_verbosity_info


def 				snake_case__							(							UpperCAmelCase							:  Dict       ):
    return {key.lstrip("-"       ): value for key, value in zip(unknown_args[::2]    ,			unknown_args[1::2]       )}


def 				snake_case__							(							):
    lowerCAmelCase__   :str      							=				ArgumentParser(
        "HuggingFace Datasets CLI tool"    ,			usage="datasets-cli <command> [<args>]"    ,			allow_abbrev=UpperCAmelCase       )
    lowerCAmelCase__   :Any      							=				parser.add_subparsers(help="datasets-cli command helpers"       )
    set_verbosity_info()

    # Register commands
    ConvertCommand.register_subcommand(UpperCAmelCase       )
    EnvironmentCommand.register_subcommand(UpperCAmelCase       )
    TestCommand.register_subcommand(UpperCAmelCase       )
    RunBeamCommand.register_subcommand(UpperCAmelCase       )
    DummyDataCommand.register_subcommand(UpperCAmelCase       )

    # Parse args
    lowerCAmelCase__							,lowerCAmelCase__   :int      							=				parser.parse_known_args()
    if not hasattr(UpperCAmelCase    ,			"func"       ):
        parser.print_help()
        exit(1       )
    lowerCAmelCase__   :Optional[int]      							=				parse_unknown_args(UpperCAmelCase       )

    # Run
    lowerCAmelCase__   :str      							=				args.func(UpperCAmelCase    ,			**UpperCAmelCase       )
    service.run()


if __name__ == "__main__":
 main()



