

import os
from distutils.util import strtobool



def     lowerCAmelCase__							(		SCREAMING_SNAKE_CASE_:							str		,				SCREAMING_SNAKE_CASE_:							int					)	->					str:




				'''simple docstring'''





				for e in env_keys:
								A__						=	int(os.environ.get(SCREAMING_SNAKE_CASE_		,				-1					)					)
								if val >= 0:
												return val
				return default



def     lowerCAmelCase__							(		SCREAMING_SNAKE_CASE_:							Tuple		,				SCREAMING_SNAKE_CASE_:							Dict=False					)	->					Tuple:




				'''simple docstring'''





				A__						=	os.environ.get(SCREAMING_SNAKE_CASE_		,				str(SCREAMING_SNAKE_CASE_					)					)
				return strtobool(SCREAMING_SNAKE_CASE_					) == 1  # As its name indicates `strtobool` actually returns an int...





def     lowerCAmelCase__							(		SCREAMING_SNAKE_CASE_:							Union[str, Any]		,				SCREAMING_SNAKE_CASE_:							Optional[Any]="no"					)	->					Tuple:




				'''simple docstring'''





				A__						=	os.environ.get(SCREAMING_SNAKE_CASE_		,				str(SCREAMING_SNAKE_CASE_					)					)
				return value








'''simple docstring'''







def  _lowerCamelCase				( lowercase						:      int = 100						)	->	int:
				_a								= 0
				_a								= 0
				for i in range(1    ,							n + 1						):
								sum_of_squares += i**2
								sum_of_ints += i
				return sum_of_ints**2 - sum_of_squares


if __name__ == "__main__":
					print(f"""{solution() = }""")
