code: 
  '''simple docstring'''
  from __future__ import annotations
  
  import re
  
  
  
  
  def       _UpperCamelCase	(					SCREAMING_SNAKE_CASE__ )     ->       list[str]:
  
  
  		'''simple docstring'''
  
  
  		def alphanum_key(SCREAMING_SNAKE_CASE__ ):
  				return [int(SCREAMING_SNAKE_CASE__ ) if s.isdigit() else s.lower() for s in re.split('''([0-9]+)'''   ,					SCREAMING_SNAKE_CASE__ )]
  
  		return sorted(SCREAMING_SNAKE_CASE__   ,					key=SCREAMING_SNAKE_CASE__ )
  
  
  if __name__ == "__main__":
  					import doctest
  
  					doctest.testmod()
  
  
  
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()
  
  
  