Strings

A string is an orderly collection

A string is an orderly collection of one or more Unicode characters. Strings, lists, and tuples are sequence data types, while dictionary is a mapping

Strings can be written with single

Strings can be written with single quotes, double quotes, or triple quotes. Triple-quoted strings can continue across multiple lines.

The first character from the left

The first character from the left has index 0 and the last has index n-1, where n is the string length. Negative indexing starts from the right, where

len() returns the length of

len() returns the length of the given string. The last character can be accessed as str1[n-1] and the first character from the right as str1[-n].

A string is an immutable data

A string is an immutable data type. Attempting to modify one character of a string raises a TypeError.