






def 					UpperCamelCase		( _A,					_A				):






						"""simple docstring"""







						if len(_A				) < len(_A				):
												return levenshtein_distance(_A,					_A				)

						if len(_A				) == 0:
												return len(_A				)

						__magic_name__    :     List[Any]     		=      list(range(len(_A				) + 1				)				)

						for i, ca in enumerate(_A				):
												__magic_name__    :     str     		=      [i + 1]

												for j, ca in enumerate(_A				):
																		# Calculate insertions, deletions and substitutions
																		__magic_name__    :     Any     		=      previous_row[j + 1] + 1
																		__magic_name__    :     Optional[int]     		=      current_row[j] + 1
																		__magic_name__    :     Dict     		=      previous_row[j] + (ca != ca)

																		# Get the minimum to append to the current row
																		current_row.append(min(_A,					_A,					_A				)				)

												# Store the previous row
												__magic_name__    :     Dict     		=      current_row

						# Returns the last element (distance)
						return previous_row[-1]


if __name__ == "__main__":
		__magic_name__:  Optional[Any]  	=			input("Enter the first word:\n").strip()
		__magic_name__:  str  	=			input("Enter the second word:\n").strip()

		__magic_name__:  Optional[int]  	=			levenshtein_distance(first_word, second_word)
		print(F"""Levenshtein distance between {first_word} and {second_word} is {result}""")








class  snake_case__      :
	def __init__(       self				)							->   None:
							# numbermap keys are the number and its values are lists of indexes sorted
							# in ascending order
							__magic_name__    :     dict[int, list[int]]     		=      {}
							# indexmap keys are an index and it's values are the number at that index
							__magic_name__    :     dict[int, int]     		=      {}
	def     __magic_name__       (       self    ,     lowerCAmelCase__    ,     lowerCAmelCase__				)							->   list[int]:
							if isinstance(lowerCAmelCase__    ,     (range, str)				):
													__magic_name__    :     int     		=      list(lowerCAmelCase__				)
							elif not isinstance(lowerCAmelCase__    ,     lowerCAmelCase__				):
													raise TypeError(
													    """binary_search_delete() only accepts either a list, range or str"""				)

							__magic_name__    :     str     		=      0
							__magic_name__    :     int     		=      len(lowerCAmelCase__				) - 1

							while low <= high:
													__magic_name__    :     List[str]     		=      (low + high) // 2
													if array[mid] == item:
																			array.pop(lowerCAmelCase__				)
																			return array
													elif array[mid] < item:
																			__magic_name__    :     Tuple     		=      mid + 1
													else:
																			__magic_name__    :     Dict     		=      mid - 1
							raise ValueError(
							    """Either the item is not in the array or the array was unsorted"""				)
	def     __magic_name__       (       self    ,     lowerCAmelCase__    ,     lowerCAmelCase__				)							->   list[int]:
							if isinstance(lowerCAmelCase__    ,     (range, str)				):
													__magic_name__    :     Tuple     		=      list(lowerCAmelCase__				)
							elif not isinstance(lowerCAmelCase__    ,     lowerCAmelCase__				):
													raise TypeError(
													    """binary_search_insert() only accepts either a list, range or str"""				)

							__magic_name__    :     List[str]     		=      0
							__magic_name__    :     Tuple     		=      len(lowerCAmelCase__				) - 1

							while low <= high:
													__magic_name__    :     Dict     		=      (low + high) // 2
													if array[mid] == index:
																			# If the item already exists in the array,
																			# insert it after the existing item
																			array.insert(mid + 1    ,     lowerCAmelCase__				)
																			return array
													elif array[mid] < index:
																			__magic_name__    :     int     		=      mid + 1
													else:
																			__magic_name__    :     Tuple     		=      mid - 1

        # If the item doesn't exist in the array, insert it at the appropriate position
							array.insert(lowerCAmelCase__    ,     lowerCAmelCase__				)
							return array
	def     __magic_name__       (       self    ,     lowerCAmelCase__    ,     lowerCAmelCase__				)							->   None:
							# Remove previous index
							if index in self.indexmap:
													__magic_name__    :     int     		=      self.indexmap[index]
													if len(self.numbermap[n]				) == 1:
																			del self.numbermap[n]
													else:
																			__magic_name__    :     Union[str, Any]     		=      self.binary_search_delete(self.numbermap[n]    ,     lowerCAmelCase__				)

        # Set new index
							__magic_name__    :     List[Any]     		=      number

							# Number not seen before or empty so insert number value
							if number not in self.numbermap:
													__magic_name__    :     Any     		=      [index]

							# Here we need to perform a binary search insertion in order to insert
							# The item in the correct place
							else:
													__magic_name__    :     Optional[Any]     		=      self.binary_search_insert(
													    self.numbermap[number]    ,     lowerCAmelCase__				)







	def     __magic_name__       (       self    ,     lowerCAmelCase__				)							->   int:
							return self.numbermap.get(lowerCAmelCase__    ,     [-1]				)[0]


if __name__ == "__main__":
		import doctest

		doctest.testmod()
