






class 				__a				:





		'''simple docstring'''



		def __init__(    self							):
						SCREAMING_SNAKE_CASE_ :						Any    				= []
						SCREAMING_SNAKE_CASE_ :						Any    				= 0
						SCREAMING_SNAKE_CASE_ :						str    				= 0


		def __str__(    self							):
						SCREAMING_SNAKE_CASE_ :						Any    				= '<' + str(self.entries							)[1:-1] + '>'
						return printed


		def 	__snake_case      (    self			,     UpperCamelCase__							):
						self.entries.append(UpperCamelCase__							)
						SCREAMING_SNAKE_CASE_ :						Optional[int]    				= self.length + 1


		def 	__snake_case      (    self							):
						SCREAMING_SNAKE_CASE_ :						List[str]    				= self.length - 1
						SCREAMING_SNAKE_CASE_ :						Optional[int]    				= self.entries[self.front]
						# self.front-=1
						# self.entries = self.entries[self.front:]
						SCREAMING_SNAKE_CASE_ :						Tuple    				= self.entries[1:]
						return dequeued


		def 	__snake_case      (    self			,     UpperCamelCase__							):
						for _ in range(UpperCamelCase__							):
										self.put(self.get()							)


		def 	__snake_case      (    self							):
						return self.entries[0]


		def 	__snake_case      (    self							):
						return self.length







def        _lowerCamelCase(      lowerCAmelCase__					:		float     ,     lowerCAmelCase__					:		float     ,     lowerCAmelCase__					:		float   ):





				'''simple docstring'''







				if mass < 0:
								raise ValueError('The mass of the body cannot be negative'   )
				if radius <= 0:
								raise ValueError('The radius is always a positive non zero integer'   )
				return (mass * (velocity) ** 2) / radius


if __name__ == "__main__":
				import doctest

				doctest.testmod(verbose=True)