
"""simple docstring"""







from math import factorial
def 					__lowerCAmelCase       (_UpperCamelCase = 20	):
	__lowerCAmelCase    :		List[str]		    =   2 * n  # middle entry of odd rows starting at row 3 is the solution for n = 1,
	# 2, 3,...
	__lowerCAmelCase    :		Union[str, Any]		    =   n // 2

	return int(factorial(_UpperCamelCase	) / (factorial(_UpperCamelCase	) * factorial(n - k	))	)


if __name__ == "__main__":
							import sys

							if len(sys.argv) == 1:
														print(solution(20))
							else:
														try:
																					lowerCamelCase__           =	int(sys.argv[1])
																					print(solution(n))
														except ValueError:
																					print("""Invalid entry - please enter a number.""")

"""simple docstring"""







from transformers import HfArgumentParser, TensorFlowBenchmark, TensorFlowBenchmarkArguments
def 					__lowerCAmelCase       ():
	__lowerCAmelCase    :		Tuple		    =   HfArgumentParser(_UpperCamelCase	)
	__lowerCAmelCase    :		Optional[Any]		    =   parser.parse_args_into_dataclasses()[0]
	__lowerCAmelCase    :		int		    =   TensorFlowBenchmark(args=_UpperCamelCase	)
	try:
		__lowerCAmelCase    :		Dict		    =   parser.parse_args_into_dataclasses()[0]
	except ValueError as e:
		__lowerCAmelCase    :		List[Any]		    =   'Arg --no_{0} is no longer used, please use --no-{0} instead.'
		__lowerCAmelCase    :		Union[str, Any]		    =   ' '.join(str(_UpperCamelCase	).split(' '	)[:-1]	)
		__lowerCAmelCase    :		List[str]		    =   ''
		__lowerCAmelCase    :		Any		    =   eval(str(_UpperCamelCase	).split(' '	)[-1]	)
		__lowerCAmelCase    :		Dict		    =   []
		for arg in depreciated_args:
			# arg[2:] removes '--'
			if arg[2:] in TensorFlowBenchmark.deprecated_args:
				# arg[5:] removes '--no_'
				full_error_msg += arg_error_msg.format(arg[5:]	)
			else:
				wrong_args.append(_UpperCamelCase	)
		if len(_UpperCamelCase	) > 0:
			__lowerCAmelCase    :		Any		    =   full_error_msg + begin_error_msg + str(_UpperCamelCase	)
		raise ValueError(_UpperCamelCase	)
	benchmark.run()


if __name__ == "__main__":
							main()