Some more Methods

>>> txt = "Mr Miller's dog is a beast!"

>>> txt.lower()

"mr miller's dog is a beast!"

>>> s = "Berliner Straße"

>>> s.casefold()

'berliner strasse'

>>> s.lower()

'berliner straße'

>>>

>>> txt.upper()

"MR MILLER'S DOG IS A BEAST!"

>>> txt.swapcase()

"mR mILLER'S DOG IS A BEAST!"

>>> txt.capitalize()

"Mr miller's dog is a beast!"

>>> txt.title()

"Mr Miller'S Dog Is A Beast!"