Python String Lowercase Uppercase


Python lower() method converts string to its lower case format.
Python upper() method converts string to its upper case format.

>>> x = "Python Tutorial"
>>> x.lower()

'python tutorial'


>>> x = "Python Tutorial"
>>> x.upper()

'PYTHON TUTORIAL'

Upper case the first letter of the string:
>>> x = 'python tutorial'
>>> x.capitalize()

'Python tutorial'

Upper case the first letter of all words in the string:
>>> x.title()

'Python Tutorial'

To convert a list of strings into lower or upper case:


>>> str = ['endmemo', 'python','tutorial']
>>> [x.upper() for x in str]



['ENDMEMO','PYTHON','TUTORIAL']