




'''simple docstring'''

def 						__magic_name__       (      __UpperCAmelCase      )						->   bool:

					'''simple docstring'''

					if not all(x.isalpha() for x in string      ):
										raise ValueError('''String must only contain alphabetic characters.'''      )

					snake_case_		     =							sorted(string.lower()      )
					return len(__UpperCAmelCase      ) == len(set(__UpperCAmelCase      )      )


if __name__ == "__main__":
							a    :							Tuple										=    input('Enter a string ').strip()

							a    :							List[str]										=    is_isogram(input_str)
							print(f'''{input_str} is {'an' if isogram else 'not an'} isogram.''')







'''simple docstring'''

from PIL import Image


def 						__magic_name__       (      __UpperCAmelCase, __UpperCAmelCase      )						->   Image:

					'''simple docstring'''

					def brightness(__UpperCAmelCase      ) -> float:
										return 128 + level + (c - 128)

					if not -2_5_5.0 <= level <= 2_5_5.0:
										raise ValueError('''level must be between -255.0 (black) and 255.0 (white)'''      )
					return img.point(__UpperCAmelCase      )


if __name__ == "__main__":
							# Load image
							with Image.open('image_data/lena.jpg') as img:
														# Change brightness to 100
														a    :							int										=    change_brightness(img, 100)
														brigt_img.save('image_data/lena_brightness.png', format='png')

