






def 					snake_case_						(   lowerCAmelCase_				:  int				,				lowerCAmelCase_				:  int				,				lowerCAmelCase_				:  Optional[Any]				,				lowerCAmelCase_				:  int				,				lowerCAmelCase_				:  int				,				lowerCAmelCase_				:  Union[str, Any]					):
							if index == r:
														for j in range(lowerCAmelCase_					):
																					print(data[j]				,				end=""" """					)
														print(""" """					)
														return
							#  When no more elements are there to put in data[]
							if i >= n:
														return
							# current is included, put next at next location
							__lowercase					:							int			=   arr[i]
							combination_util(lowerCAmelCase_				,				lowerCAmelCase_				,				lowerCAmelCase_				,				index + 1				,				lowerCAmelCase_				,				i + 1					)
							# current is excluded, replace it with
							# next (Note that i+1 is passed, but
							# index is not changed)
							combination_util(lowerCAmelCase_				,				lowerCAmelCase_				,				lowerCAmelCase_				,				lowerCAmelCase_				,				lowerCAmelCase_				,				i + 1					)
							# The main function that prints all combinations
							# of size r in arr[] of size n. This function
							# mainly uses combinationUtil()
def 					snake_case_						(   lowerCAmelCase_				:  int				,				lowerCAmelCase_				:  Optional[int]				,				lowerCAmelCase_				:  Any					):
							# A temporary array to store all combination one by one
							__lowercase					:							List[str]			=   [0] * r
							# Print all combination using temporary array 'data[]'
							combination_util(lowerCAmelCase_				,				lowerCAmelCase_				,				lowerCAmelCase_				,				0				,				lowerCAmelCase_				,				0					)


if __name__ == "__main__":
	# Driver code to check the function above
	lowerCamelCase       :       Union[str, Any]        =				[10, 20, 30, 40, 50]
	print_combination(arr, len(arr), 3)
	# This code is contributed by Ambuj sahu







from math import pi
def 					snake_case_						(   lowerCAmelCase_				:  int				,				lowerCAmelCase_				:  int					):
							return 2 * pi * radius * (angle / 360)


if __name__ == "__main__":
	print(arc_length(90, 10))