

def 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							int	,       SCREAMING_SNAKE_CASE_:							int      )			->      int:




				'''simple docstring'''





				return 1 if input_a == input_a else 0



def 					lowerCAmelCase__							(	)			->      None:




				'''simple docstring'''





				assert xnor_gate(0	,       0      ) == 1
				assert xnor_gate(0	,       1      ) == 0
				assert xnor_gate(1	,       0      ) == 0
				assert xnor_gate(1	,       1      ) == 1


if __name__ == "__main__":
	print(xnor_gate(0, 0))
	print(xnor_gate(0, 1))
	print(xnor_gate(1, 0))
	print(xnor_gate(1, 1))




import math

lowerCAmelCase__	   = 1_0
lowerCAmelCase__	   = 7
lowerCAmelCase__	   = BALLS_PER_COLOUR * NUM_COLOURS



def 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							int = 2_0      )			->      str:




				'''simple docstring'''





				A__        =			math.comb(SCREAMING_SNAKE_CASE_	,       SCREAMING_SNAKE_CASE_      )
				A__        =			math.comb(NUM_BALLS - BALLS_PER_COLOUR	,       SCREAMING_SNAKE_CASE_      )

				A__        =			NUM_COLOURS * (1 - missing_colour / total)

				return F'{result:.9f}'


if __name__ == "__main__":
	print(solution(2_0))

