

class 				a  :


						def __init__(       self	):







										'''simple docstring'''


										_UpperCAmelCase       :		dict[str, TrieNode] 		=    {}  # Mapping from char to TrieNode
										_UpperCAmelCase       :		Any 		=    False


						def        _UpperCAmelCase				(       self						,					A_	):







										'''simple docstring'''


										for word in words:
														self.insert(A_	)


						def        _UpperCAmelCase				(       self						,					A_	):







										'''simple docstring'''


										_UpperCAmelCase       :		Any 		=    self
										for char in word:
														if char not in curr.nodes:
																		_UpperCAmelCase       :		Any 		=    TrieNode()
														_UpperCAmelCase       :		int 		=    curr.nodes[char]
										_UpperCAmelCase       :		Tuple 		=    True


						def        _UpperCAmelCase				(       self						,					A_	):







										'''simple docstring'''


										_UpperCAmelCase       :		List[Any] 		=    self
										for char in word:
														if char not in curr.nodes:
																		return False
														_UpperCAmelCase       :		Optional[Any] 		=    curr.nodes[char]
										return curr.is_leaf





						def        _UpperCAmelCase				(       self						,					A_	):







										'''simple docstring'''


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

										_delete(self						,					A_						,					0	)







def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  TrieNode  ,      lowerCAmelCase:  str )   ->       None:
				if node.is_leaf:
								print(lowerCAmelCase  ,      end=" " )

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

def 							__SCREAMING_SNAKE_CASE							(				)   ->       bool:
				_UpperCAmelCase       :		Union[str, Any] 		=    "banana bananas bandana band apple all beast".split()
				_UpperCAmelCase       :		Dict 		=    TrieNode()
				root.insert_many(lowerCAmelCase )
				# print_words(root, "")
				assert all(root.find(lowerCAmelCase ) 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 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  str  ,      lowerCAmelCase:  bool )   ->       None:
				print(str(lowerCAmelCase )  ,      "works!" if passes else "doesn't work :(" )

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

def 							__SCREAMING_SNAKE_CASE							(				)   ->       None:
				print_results("Testing trie functionality"  ,      test_trie() )


if __name__ == "__main__":
					main()





from __future__ import annotations

import numpy as np

def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  list[float] )   ->       Dict:
				return np.maximum(0  ,      lowerCAmelCase )


if __name__ == "__main__":
					print(np.array(relu([-1, 0, 5])))  # --> [0, 0, 5]


