
class 	__A:

  """simple docstring"""







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







  def        UpperCAmelCase_					(self       ,			SCREAMING_SNAKE_CASE_						):




       for word in words:
            self.insert(UpperCamelCase__						)







  def        UpperCAmelCase_					(self       ,			SCREAMING_SNAKE_CASE_						):
       UpperCamelCase__				=				self
       for char in word:
            if char not in curr.nodes:
                 UpperCamelCase__				=				TrieNode()
            UpperCamelCase__				=				curr.nodes[char]
       UpperCamelCase__				=				True







  def        UpperCAmelCase_					(self       ,			SCREAMING_SNAKE_CASE_						):
       UpperCamelCase__				=				self
       for char in word:
            if char not in curr.nodes:
                 return False
            UpperCamelCase__				=				curr.nodes[char]
       return curr.is_leaf







  def        UpperCAmelCase_					(self       ,			SCREAMING_SNAKE_CASE_						):




       def _delete(SCREAMING_SNAKE_CASE_       ,			SCREAMING_SNAKE_CASE_       ,			SCREAMING_SNAKE_CASE_						) -> bool:
            if index == len(UpperCamelCase__						):
                 # If word does not exist
                 if not curr.is_leaf:
                      return False
                 UpperCamelCase__				=				False
                 return len(curr.nodes						) == 0
            UpperCamelCase__				=				word[index]
            UpperCamelCase__				=				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
            UpperCamelCase__				=				_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 						__magic_name__ (    __a			:       TrieNode       ,		__a			:       str						):



     '''simple docstring'''




     if node.is_leaf:
          print(__a       ,		end=""" """						)

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






def 						__magic_name__ (    ):



     '''simple docstring'''




     UpperCamelCase__				=				"banana bananas bandana band apple all beast".split()
     UpperCamelCase__				=				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 						__magic_name__ (    __a			:       str       ,		__a			:       bool						):



     '''simple docstring'''




     print(str(__a						)       ,		"""works!""" if passes else """doesn't work :("""						)






def 						__magic_name__ (    ):



     '''simple docstring'''




     assert test_trie()






def 						__magic_name__ (    ):



     '''simple docstring'''




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


if __name__ == "__main__":
    main()









"""simple docstring"""



def   __lowerCAmelCase						(						)	->						Union[str, Any]:


    """simple docstring"""





    snake_case    :      Dict      					=    []
    snake_case    :      List[Any]      					=    1

    while len(lowercase ) < 1e6:
        constant.append(str(lowercase ) )
        i += 1

    snake_case    :      Tuple      					=    "".join(lowercase )

    return (
        int(constant[0] )
        * int(constant[9] )
        * int(constant[99] )
        * int(constant[999] )
        * int(constant[9999] )
        * int(constant[9_9999] )
        * int(constant[99_9999] )
    )


if __name__ == "__main__":
  print(solution())





