Case Conversion Methods

This category of built-in methods of Python's str class deal with the conversion of alphabet characters in the string object. Following methods fall in this category −

Sr.No.	Method & Description
1	capitalize() Capitalizes first letter of string
2	casefold() Converts all uppercase letters in string to lowercase. Similar to lower(), but works on UNICODE characters alos
3	lower() Converts all uppercase letters in string to lowercase.
4	swapcase() Inverts case for all letters in string.
5	title() Returns "titlecased" version of string, that is, all words begin with uppercase and the rest are lowercase.
6	upper() Converts lowercase letters in string to uppercase.

python_string_methods.htm