Strings in Python

In Python, a string is a sequence of characters enclosed in either single quotes (') or double quotes ("). Strings are one of the most commonly used data types in Python, and they are used to represent text data.

Here are some examples of strings in Python:

my_string = "Hello, World!"
another_string = 'This is a string.'
multiline_string = """This is a multiline
string that spans multiple lines."""

Python also has a third type of string literals, enclosed in triple quotes ('''). These are also used for multiline strings, but the difference is that any quotes or apostrophes inside the string don't need to be escaped. For example:

another_multiline_string = '''This is a multiline
string that contains "quotes" and 'apostrophes'.'''

You can access individual characters in a string by using indexing, just like with lists and tuples. The first character of a string has index 0, and the last character has an index of len(my_string) - 1. Here's an example:

my_string = "Hello, World!"
print(my_string[0]) # Output: H
print(my_string[4]) # Output: o
print(my_string[-1]) # Output: !

You can also slice a string to extract a substring. Slicing is done by specifying a range of indices separated by a colon (:). For example:

my_string = "Hello, World!"
print(my_string[0:5]) # Output: Hello
print(my_string[7:]) # Output: World!

Strings are immutable in Python, which means that you cannot modify the string itself. However, you can create a new string that is a modified version of the original string using various string methods. Some common string methods include upper(), lower(), strip(), replace(), and split(). Here are some examples:

my_string = " Hello, World! "
print(my_string.strip()) # Output: "Hello, World!"
print(my_string.upper()) # Output: " HELLO, WORLD! "
print(my_string.replace("World", "Python")) # Output: " Hello, Python! "
print(my_string.split(",")) # Output: [" Hello", " World! "]

There are many more string methods available in Python, and you can find more information about them in the Python documentation.

Strings are sequence of characters.
single line strings can be written in single quotes or double quotes.
multiline strings are written in tipple quotes.

we can extract character from the string using indexing or sequence of characters from in string slicing.

we can apply various string method to change the string for example upper, lower, title etc.
@ParagDhawan
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