String

Definition

A string is a sequence of characters enclosed within single, double, or triple quotes in Python. It is an immutable data type used for storing text.

5 Must Know Facts For Your Next Test

1. Strings are immutable, meaning their content cannot be changed after they are created.
2. You can concatenate strings using the '+' operator and repeat them using the '*' operator.
3. Strings support indexing and slicing to access specific characters or substrings.
4. Common methods for strings include .upper(), .lower(), .strip(), .split(), and .join().
5. String formatting can be done using f-strings (formatted string literals), the format() method, or the % operator.

Review Questions

• How do you concatenate two strings in Python?
• What does it mean that strings are immutable?
• Name three common methods used with strings and describe their functions.

Related terms

List: A mutable collection of items which can be of different types, defined using square brackets [].

Tuple: An immutable ordered collection of items, defined using parentheses ().

.split(): .split() is a string method used to divide a string into a list based on a specified delimiter.