
def     A__   (  lowerCamelCase  )					->		bool:
				if num < 0:
								return False

				UpperCamelCase_:							int		=  num
				UpperCamelCase_:							int		=  0
				while num > 0:
								UpperCamelCase_:							int		=  rev_num * 10 + (num % 10)
								num //= 10

				return num_copy == rev_num


if __name__ == "__main__":
							import doctest

							doctest.testmod()








def     A__   (  lowerCamelCase       ,      lowerCamelCase  )					->		float:
				if mass < 0:
								raise ValueError("""The mass of a body cannot be negative"""  )
				return 0.5 * mass * abs(lowerCamelCase  ) * abs(lowerCamelCase  )


if __name__ == "__main__":
							import doctest

							doctest.testmod(verbose=True)






