






def 	lowerCamelCase   (		a_      )      ->     Dict:
							if not all(x.isalpha() for x in string      ):
														raise ValueError('String must only contain alphabetic characters.'      )

							lowerCAmelCase_									=	sorted(string.lower()      )
							return len(_UpperCamelCase      ) == len(set(_UpperCamelCase      )      )


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

		lowerCamelCase_			=    is_isogram(input_str)
		print(f'''{input_str} is {"an" if isogram else "not an"} isogram.''')








import math





def 		a__      (		_UpperCamelCase      :			float			,_UpperCamelCase      :			float				):
   if (
       not isinstance(_UpperCamelCase			,(int, float)				)
       or power_factor < -1
       or power_factor > 1
   ):
      raise ValueError('''power_factor must be a valid float value between -1 and 1.'''				)
   return apparent_power * power_factor





def 		a__      (		_UpperCamelCase      :			float			,_UpperCamelCase      :			float				):
   if (
       not isinstance(_UpperCamelCase			,(int, float)				)
       or power_factor < -1
       or power_factor > 1
   ):
      raise ValueError('''power_factor must be a valid float value between -1 and 1.'''				)
   return apparent_power * math.sqrt(1 - power_factor**2				)


if __name__ == "__main__":
  import doctest

  doctest.testmod()






