The encode() function can encode a string, and the decode() function can decode the encoded string.
encode() takes optional arguments for encoding and errors, including options like 'utf-8', 'ascii', 'ignore', 'replace', 'xmlcharrefreplace', 'backslashreplace', etc.
After using encode(), decode() appears and encode() disappears. Similarly, after using decode(), encode() appears and decode() disappears.
Different encoding options are showcased such as 'utf-8', 'utf-7', 'utf-16', 'big5', 'ascii', along with error handling options like 'ignore', 'replace', 'xmlcharrefreplace', 'backslashreplace', etc.