






'''simple docstring'''



class UpperCAmelCase_       :




      """simple docstring"""




      def __init__(			self      :		List[str]		)	->	None:


       '''simple docstring'''

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






      def 					A__   (			self      :		Any  ,   UpperCAmelCase      :		list[str]		)	->	None:


       '''simple docstring'''

       for word in words:
        self.insert(UpperCAmelCase		)






      def 					A__   (			self      :		Union[str, Any]  ,   UpperCAmelCase      :		str		)	->	None:


       '''simple docstring'''

       lowercase       : List[Any]						=self
       for char in word:
        if char not in curr.nodes:
         lowercase       : str						=TrieNode()
        lowercase       : Optional[Any]						=curr.nodes[char]
       lowercase       : Optional[int]						=True






      def 					A__   (			self      :		List[Any]  ,   UpperCAmelCase      :		str		)	->	bool:


       '''simple docstring'''

       lowercase       : List[str]						=self
       for char in word:
        if char not in curr.nodes:
         return False
        lowercase       : Dict						=curr.nodes[char]
       return curr.is_leaf






      def 					A__   (			self      :		Optional[int]  ,   UpperCAmelCase      :		str		)	->	None:


       '''simple docstring'''

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

       _delete(self  ,   UpperCAmelCase  ,   0		)





def 				lowercase_					(     __A			:							TrieNode       ,   __A			:							str      )							->   None:



 """simple docstring"""




 if node.is_leaf:
  print(__A       ,   end=''' '''      )

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


def 				lowercase_					(     )							->   bool:



 """simple docstring"""




 lowercase       : Union[str, Any]						='''banana bananas bandana band apple all beast'''.split()
 lowercase       : Any						=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 				lowercase_					(     __A			:							str       ,   __A			:							bool      )							->   None:



 """simple docstring"""




 print(str(__A      )       ,   '''works!''' if passes else '''doesn\'t work :('''      )


def 				lowercase_					(     )							->   None:



 """simple docstring"""




 assert test_trie()


def 				lowercase_					(     )							->   None:



 """simple docstring"""




 print_results('''Testing trie functionality'''       ,   test_trie()      )


if __name__ == "__main__":
      main()











from __future__ import annotations

from typing import Any






def     a     (		lowerCamelCase_							):






				'''simple docstring'''
				if not postfix_notation:
								return 0

				lowercase__  					=     {'''+''', '''-''', '''*''', '''/'''}
				lowercase__  					=     []

				for token in postfix_notation:
								if token in operations:
												lowercase__					,		lowercase__  					=     stack.pop(), stack.pop()
												if token == "+":
																stack.append(a + b							)
												elif token == "-":
																stack.append(a - b							)
												elif token == "*":
																stack.append(a * b							)
												else:
																if a * b < 0 and a % b != 0:
																				stack.append(a // b + 1							)
																else:
																				stack.append(a // b							)
								else:
												stack.append(int(lowerCamelCase_							)							)

				return stack.pop()


if __name__ == "__main__":
							import doctest

							doctest.testmod()




