In this section of the Python tutorial, we will have a look at all the built-in string functions available in Python to make the programming easy & interesting.
| Method | Description |
| lower() | It converts a string into lower case |
| upper() | It converts a string into upper case |
| casefold() | It converts string into lower case |
| title() | It converts the first character of each word to upper case |
| capitalize() | It converts the first character to upper case |
| zfill() | It fills the string with a specified number of 0 values at the beginning |
| format() | It formats specified values in a string |
| format_map() | It formats specified values in a string |
| join() | It Joins the elements of an iterable to the end of the string |
| center() | It returns a centered string |
| ljust() | It returns a left justified version of the string |
| lstrip() | It returns a left trim version of the string |
| rjust() | It returns a right justified version of the string |
| rstrip() | It returns a right trim version of the string |
| replace() | It returns a string where a specified value is replaced with a specified value |
| translate() | It returns a translated string |
| maketrans() | It returns a translation table to be used in translations |
| strip() | It returns a trimmed version of the string |
| partition() | It returns a tuple where the string is parted into three parts |
| rpartition() | It returns a tuple where the string is parted into three parts |
| encode() | It returns an encoded version of the string |
| count() | It returns the number of times a specified value occurs in a string |
| isalnum() | It returns True if all characters in the string are alphanumeric |
| isdecimal() | It returns True if all characters in the string are decimals |
| isdigit() | It returns True if all characters in the string are digits |
| isalpha() | It returns True if all characters in the string are in the alphabet |
| islower() | It returns True if all characters in the string are lower case |
| isnumeric() | It returns True if all characters in the string are numeric |
| isprintable() | It returns True if all characters in the string are printable |
| isupper() | It returns True if all characters in the string are upper case |
| isspace() | It returns True if all characters in the string are whitespaces |
| endswith() | It returns true if the string ends with the specified value |
| istitle() | It returns True if the string follows the rules of a title |
| isidentifier() | It returns True if the string is an identifier |
| startswith() | It returns true if the string starts with the specified value |
| rfind() | It searches the string for a specified value and returns the last position of where it was found |
| rindex() | It searches the string for a specified value and returns the last position of where it was found |
| find() | It searches the string for a specified value and returns the position of where it was found |
| index() | It searches the string for a specified value and returns the position of where it was found |
| expandtabs() | It sets the tab size of the string |
| splitlines() | It splits the string at line breaks and returns a list |
| rsplit() | It splits the string at the specified separator, and returns a list |
| split() | It splits the string at the specified separator, and returns a list |
| swapcase() | It swaps cases, lower case becomes upper case and vice versa |