*
lower() - converts to lowercase*
upper() - converts to uppercase*
capitalize() - capitalizes the first letter*
title() - capitalizes each word*
strip() - removes whitespace from the beginning and end*
startswith() / endswith() - checks the beginning and end of a string*
replace() - replaces a substring*
split() - splits a string into a list*
join() - joins elements into a string*
find() / index() - searches for the position of a substring*
count() - counts occurrences*
isnumeric() - checks if the string contains only numbershttps://t.me/pythonRe

