Literals Representing Data

Literals in programming refer to fixed values directly represented in the code.

In Python, the most commonly used literals include the following:

Number Literals

Number literals are divided into integers (int), floating-point numbers (float), and complex numbers (complex).

Example of Number Literals
123   # Integer literal
3.14  # Float literal

Strings are text data enclosed within single quotes ('') or double quotes ("").

Example of String Literals
"Hello, World!"  # String literal enclosed in double quotes

'Python'         # String literal enclosed in single quotes

Boolean literals represent truth values as True or False.

Example of Boolean Literals
True   # Boolean literal representing true

False  # Boolean literal representing false

A list is a data type that stores multiple values in sequence.

Each value in the list is separated by a comma (,) and enclosed in square brackets ([]).

Example of List Literals
[1, 2, 3]  # List literal containing the values 1, 2, 3

Tuples are similar to lists, but the values they hold cannot be changed once defined.

Each value in a tuple is separated by a comma (,) and enclosed in parentheses (()).

Example of Tuple Literals
(1, 2, 3)  # Tuple literal containing the values 1, 2, 3

Dictionaries are a data type used to structure data. Each key-value pair is separated by a comma (,) and enclosed in curly braces ().

Example of Dictionary Literals
{'name': 'Alice', 'age': 24}  # Dictionary literal with two key-value pairs: 'name' and 'age'

The detailed aspects of each literal and data type will be introduced in subsequent chapters.

Examples of Literal Usage
number = 42           # Number literal

greeting = "Hello"    # String literal

is_active = True      # Boolean literal

In the highlighted part of the coding exercise screen, type my_list = [1, 2, 3].

[1, 2, 3] is a list (literal) which contains the values 1, 2, and 3 in a specific order.

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