



class 							lowerCamelCase_:





					'''simple docstring'''



					def __init__(    self   ):
									_lowerCamelCase        =				{}  # Mapping from char to TrieNode
									_lowerCamelCase        =				False

					def 			snake_case__      (    self				,       lowerCamelCase__   ):




									for word in words:
													self.insert(lowerCamelCase__   )

					def 			snake_case__      (    self				,       lowerCamelCase__   ):
									_lowerCamelCase        =				self
									for char in word:
													if char not in curr.nodes:
																	_lowerCamelCase        =				TrieNode()
													_lowerCamelCase        =				curr.nodes[char]
									_lowerCamelCase        =				True

					def 			snake_case__      (    self				,       lowerCamelCase__   ):
									_lowerCamelCase        =				self
									for char in word:
													if char not in curr.nodes:
																	return False
													_lowerCamelCase        =				curr.nodes[char]
									return curr.is_leaf





					def 			snake_case__      (    self				,       lowerCamelCase__   ):




									def _delete(lowerCamelCase__				,       lowerCamelCase__				,       lowerCamelCase__   ) -> bool:
													if index == len(lowerCamelCase__   ):
																	# If word does not exist
																	if not curr.is_leaf:
																					return False
																	_lowerCamelCase        =				False
																	return len(curr.nodes   ) == 0
													_lowerCamelCase        =				word[index]
													_lowerCamelCase        =				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
													_lowerCamelCase        =				_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_(   lowercase_     :							List[Any]						,   lowercase_     :							List[str]							)	->       Any:
				if node.is_leaf:
								print(lowercase_						,   end=''' '''							)

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



def        lowerCAmelCase_(   )	->       Optional[int]:
				_lowerCamelCase        =				"""banana bananas bandana band apple all beast""".split()
				_lowerCamelCase        =				TrieNode()
				root.insert_many(lowercase_							)
				# print_words(root, "")
				assert all(root.find(lowercase_							) 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_(   lowercase_     :							Tuple						,   lowercase_     :							Optional[Any]							)	->       Optional[int]:
				print(str(lowercase_							)						,   '''works!''' if passes else '''doesn\'t work :('''							)



def        lowerCAmelCase_(   )	->       int:
				assert test_trie()



def        lowerCAmelCase_(   )	->       str:
				print_results('''Testing trie functionality'''						,   test_trie()							)


if __name__ == "__main__":
			main()





"""simple docstring"""
from __future__ import annotations

from typing import Any



def        lowerCAmelCase_(   lowercase_     :							list[Any]							)	->       None:
				create_state_space_tree(lowercase_						,   []						,   0							)



def        lowerCAmelCase_(   lowercase_     :							list[Any]						,   lowercase_     :							list[Any]						,   lowercase_     :							int							)	->       None:

				if index == len(lowercase_							):
								print(lowercase_							)
								return

				create_state_space_tree(lowercase_						,   lowercase_						,   index + 1							)
				current_subsequence.append(sequence[index]							)
				create_state_space_tree(lowercase_						,   lowercase_						,   index + 1							)
				current_subsequence.pop()


if __name__ == "__main__":
			__SCREAMING_SNAKE_CASE  :						list[Any]    							=      [3, 1, 2, 4]
			generate_all_subsequences(seq)

			seq.clear()
			seq.extend(['''A''', '''B''', '''C'''])
			generate_all_subsequences(seq)
