






def     a     (		lowerCamelCase_						,  lowerCamelCase_							):






				'''simple docstring'''
				if len(lowerCamelCase_							) != len(lowerCamelCase_							):
								raise ValueError('''String lengths must match!'''							)

				lowercase__  					=     0

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

				return count


if __name__ == "__main__":
							import doctest

							doctest.testmod()












def     a     (		lowerCamelCase_							):






				'''simple docstring'''

				if p < 2:
								raise ValueError('''p should not be less than 2!'''							)
				elif p == 2:
								return True

				lowercase__  					=     4
				lowercase__  					=     (1 << p) - 1
				for _ in range(p - 2							):
								lowercase__  					=     ((s * s) - 2) % m
				return s == 0


if __name__ == "__main__":
							print(lucas_lehmer_test(7))
							print(lucas_lehmer_test(11))




