"""simple docstring"""






def 						SCREAMING_SNAKE_CASE					(  __UpperCAmelCase       )							->   list:
				SCREAMING_SNAKE_CASE__		  =				int(__UpperCAmelCase       )
				if n_element < 1:
								SCREAMING_SNAKE_CASE__		  =				ValueError("a should be a positive number"       )
								raise my_error

				SCREAMING_SNAKE_CASE__		  =				[1]
				SCREAMING_SNAKE_CASE__  ,       SCREAMING_SNAKE_CASE__  ,       SCREAMING_SNAKE_CASE__		  =				(0, 0, 0)
				SCREAMING_SNAKE_CASE__		  =				1
				while index < n_element:
								while hamming_list[i] * 2 <= hamming_list[-1]:
												i += 1
								while hamming_list[j] * 3 <= hamming_list[-1]:
												j += 1
								while hamming_list[k] * 5 <= hamming_list[-1]:
												k += 1
								hamming_list.append(
								    min(hamming_list[i] * 2  ,					hamming_list[j] * 3  ,					hamming_list[k] * 5       )       )
								index += 1
				return hamming_list


if __name__ == "__main__":
						_A   					=    input('Enter the last number (nth term) of the Hamming Number Series: ')
						print('Formula of Hamming Number Series => 2^i * 3^j * 5^k')
						_A   					=    hamming(int(n))
						print('-----------------------------------------------------')
						print(F'The list with nth numbers is: {hamming_numbers}')
						print('-----------------------------------------------------')





"""simple docstring"""






from math import pi




def 						SCREAMING_SNAKE_CASE					(  __UpperCAmelCase  ,					__UpperCAmelCase       )							->   float:
				return 2 * pi * radius * (angle / 360)


if __name__ == "__main__":
						print(arc_length(9_0, 1_0))




