
'''simple docstring'''
import random






class 		UpperCamelCase_		:





						"""simple docstring"""




						def __init__( self				:					List[str]	,				_lowerCamelCase				:					float	,				_lowerCamelCase				:					float  )							->					str:
										__magic_name__	  = x
										__magic_name__	  = y
						def 					__A					( self				:					Optional[Any]  )							->					Dict:
										return (self.x**2 + self.y**2) <= 1

						@classmethod
						def 					__A					( cls				:					int  )							->					Any:
										return cls(x=random.random()	,				y=random.random()  )





def      __snake_case       (       lowerCamelCase_ :				Any						):
				'''simple docstring'''




				if number_of_simulations < 1:
								raise ValueError("At least one simulation is necessary to estimate PI."						)

				__magic_name__	  = 0
				for _ in range(lowerCamelCase_						):
								__magic_name__	  = Point.random_unit_square()

								if random_point.is_in_unit_circle():
												number_in_unit_circle += 1

				return 4 * number_in_unit_circle / number_of_simulations


if __name__ == "__main__":
						# import doctest

						# doctest.testmod()
						from math import pi

						__magic_name__   :   Optional[int]  							='Please enter the desired number of Monte Carlo simulations: '
						__magic_name__   :   Optional[int]  							=estimate_pi(int(input(prompt).strip()))
						print(F'''An estimate of PI is {my_pi} with an error of {abs(my_pi - pi)}''')







'''simple docstring'''
def      __snake_case       (       lowerCamelCase_ :				int						):
				'''simple docstring'''




				barcode //= 10  # exclude the last digit
				__magic_name__	  = False
				__magic_name__	  = 0

				# extract and check each digit
				while barcode != 0:
								__magic_name__	  = 1 if checker else 3
								s += mult * (barcode % 10)
								barcode //= 10
								__magic_name__	  = not checker

				return (10 - (s % 10)) % 10




def      __snake_case       (       lowerCamelCase_ :				int						):
				'''simple docstring'''




				return len(str(lowerCamelCase_						)						) == 13 and get_check_digit(lowerCamelCase_						) == barcode % 10




def      __snake_case       (       lowerCamelCase_ :				str						):
				'''simple docstring'''




				if str(lowerCamelCase_						).isalpha():
								__magic_name__	  = F'Barcode \'{barcode}\' has alphabetic characters.'
								raise ValueError(lowerCamelCase_						)
				elif int(lowerCamelCase_						) < 0:
								raise ValueError("The entered barcode has a negative value. Try again."						)
				else:
								return int(lowerCamelCase_						)


if __name__ == "__main__":
						import doctest

						doctest.testmod()
						__magic_name__   :   Optional[int]  							=get_barcode(input('Barcode: ').strip())

						if is_valid(barcode):
												print(F'''\'{barcode}\' is a valid barcode.''')
						else:
												print(F'''\'{barcode}\' is NOT a valid barcode.''')



