Python String Methods #18

Published: 26 November 2020
on channel: Programming Is Fun

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In this session you will learn most important Python string methods in greater details.

In Python, a string is a sequence of characters enclosed in either single quotes (' ') or double quotes (" "). Python provides a wide range of string functions that allow you to manipulate and perform operations on strings. Some commonly used string functions in Python include:

1.) len(): Returns the length of a string (the number of characters).

2.) upper(): Converts all characters in a string to uppercase.

3.) lower(): Converts all characters in a string to lowercase.

4.) capitalize(): Capitalizes the first character of a string.

5.) strip(): Removes leading and trailing whitespace characters from a string.

6.) split(): Splits a string into a list of substrings based on a specified delimiter.

7.) join(): Concatenates a list of strings into a single string, using a specified delimiter.

8.) replace(): Replaces occurrences of a substring with another substring in a string.

9.) find(): Searches for a substring within a string and returns its index (position) if found.

10.) count(): Counts the number of occurrences of a substring within a string.

11.) partition() and rpartition() functions are string methods that allow you to split a string into three parts based on a given separator.

12.) index(): In Python, the index() function is a built-in string method that returns the index of the first occurrence of a specified substring within a string.

These are just a few examples of the string functions available in Python. With these functions, you can perform tasks such as manipulating text, extracting information, formatting strings, and more. Python's string functions provide a powerful toolkit for working with textual data.

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