
def 				SCREAMING_SNAKE_CASE     (      __UpperCamelCase :						str							,						__UpperCamelCase :						str       ) ->       int:

				"""simple docstring"""







				if len(__UpperCamelCase       ) != len(__UpperCamelCase       ):
								raise ValueError('''String lengths must match!'''       )

				A__  :	Dict         =							0

				for chara, chara in zip(__UpperCamelCase							,						__UpperCamelCase       ):
								if chara != chara:
												count += 1

				return count


if __name__ == "__main__":
					import doctest

					doctest.testmod()

from abc import ABC, abstractmethod
from argparse import ArgumentParser







class  UpperCamelCase__		(    SCREAMING_SNAKE_CASE_   ):







	'''simple docstring'''





	@staticmethod
	@abstractmethod
	def   __snake_case				(			UpperCamelCase__		):
					raise NotImplementedError()





	@abstractmethod
	def   __snake_case				(			self		):
					raise NotImplementedError()