code: 
  '''simple docstring'''
  import unittest
  from timeit import timeit
  
  
  
  
  def       _UpperCamelCase	(					SCREAMING_SNAKE_CASE__   ,					SCREAMING_SNAKE_CASE__ )     ->       int:
  
  
  		'''simple docstring'''
  
  
  		snake_case     :					int     =	first_num if first_num >= second_num else second_num
  		snake_case     :					Dict     =	max_num
  		while (common_mult % first_num > 0) or (common_mult % second_num > 0):
  				common_mult += max_num
  		return common_mult
  
  
  
  
  def       _UpperCamelCase	(					SCREAMING_SNAKE_CASE__   ,					SCREAMING_SNAKE_CASE__ )     ->       int:
  
  
  		'''simple docstring'''
  
  
  		return b if a == 0 else greatest_common_divisor(b % a   ,					SCREAMING_SNAKE_CASE__ )
  
  
  
  
  def       _UpperCamelCase	(					SCREAMING_SNAKE_CASE__   ,					SCREAMING_SNAKE_CASE__ )     ->       int:
  
  
  		'''simple docstring'''
  
  
  		return first_num // greatest_common_divisor(SCREAMING_SNAKE_CASE__   ,					SCREAMING_SNAKE_CASE__ ) * second_num
  
  
  
  
  def       _UpperCamelCase	(					)     ->       Optional[int]:
  
  
  		'''simple docstring'''
  
  
  		snake_case     :					int     =	(
  		    '''from __main__ import least_common_multiple_slow, least_common_multiple_fast'''
  		)
  		print(
  		    '''least_common_multiple_slow():'''   ,					timeit('''least_common_multiple_slow(1000, 999)'''   ,					setup=SCREAMING_SNAKE_CASE__ )   ,					)
  		print(
  		    '''least_common_multiple_fast():'''   ,					timeit('''least_common_multiple_fast(1000, 999)'''   ,					setup=SCREAMING_SNAKE_CASE__ )   ,					)
  
  
  
  
  
  
  class   snake_case__					(			unittest.TestCase				):
  
  
  
  
  
  
  
  		"""simple docstring"""
  
  		lowerCamelCase           =	(
  		    (10, 20),
  		    (13, 15),
  		    (4, 31),
  		    (10, 42),
  		    (43, 34),
  		    (5, 12),
  		    (12, 25),
  		    (10, 25),
  		    (6, 9),
  		)
  		lowerCamelCase           =	(20, 195, 124, 210, 1462, 60, 300, 50, 18)
  
  
  
  		def 			lowerCAmelCase							(			self							: Tuple			)	-> List[str]:
  
  
  
  
  
  
  				"""simple docstring"""
  
  
  
  
  
  
  
  				for i, (first_num, second_num) in enumerate(self.test_inputs			):
  						snake_case     :					str     =	least_common_multiple_slow(UpperCamelCase__     ,  UpperCamelCase__			)
  						snake_case     :					Dict     =	least_common_multiple_fast(UpperCamelCase__     ,  UpperCamelCase__			)
  						with self.subTest(i=UpperCamelCase__			):
  								self.assertEqual(UpperCamelCase__     ,  self.expected_results[i]			)
  								self.assertEqual(UpperCamelCase__     ,  self.expected_results[i]			)
  
  
  if __name__ == "__main__":
  						benchmark()
  						unittest.main()
  
  
  
style_context: 
  '''simple docstring'''
  def       _UpperCamelCase	(					SCREAMING_SNAKE_CASE__   ,					SCREAMING_SNAKE_CASE__ )     ->       int:
  
  
  		'''simple docstring'''
  
  
  		snake_case     :					Optional[Any]     =	0
  		for ele in arr:
  				total_sum += product_sum(SCREAMING_SNAKE_CASE__   ,					depth + 1 ) if isinstance(SCREAMING_SNAKE_CASE__   ,					SCREAMING_SNAKE_CASE__ ) else ele
  		return total_sum * depth
  
  
  
  
  def       _UpperCamelCase	(					SCREAMING_SNAKE_CASE__ )     ->       int:
  
  
  		'''simple docstring'''
  
  
  		return product_sum(SCREAMING_SNAKE_CASE__   ,					1 )
  
  
  if __name__ == "__main__":
  						import doctest
  
  						doctest.testmod()
  
  
  