What are the 4 different data types in Python?

Jimmy 98 Published: 09/29/2024

What are the 4 different data types in Python?

I'd be happy to explain the four main data types in Python!

In programming, a data type is the classification of an object based on its characteristics and properties. In other words, it determines what kind of value a variable can hold. In Python, there are four primary data types: integers, floats, strings, and booleans.

Integers (int): This data type represents whole numbers, either positive, negative, or zero. For example: 5, -3, or 0. Integers can be used to represent quantities that have no decimal places. Python's int data type has an unlimited range of values, allowing you to work with even the largest and smallest integers.

Example: x = 5 is an integer variable.

Floats (float): This data type represents decimal numbers or real numbers. Floats are used for calculations where fractional parts are involved, such as trigonometric functions, mathematical operations with decimals, or statistical analysis. Python's float data type has a limited range of values, allowing you to work with most decimal points, but not the very smallest or largest.

Example: y = 3.14 is a floating-point number variable.

Strings (str): This data type represents sequences of characters, such as text, words, phrases, or sentences. Strings can be single quotes ('') or double quotes (""). Python's str data type supports Unicode, allowing for complex character representations and non-ASCII encodings.

Example: name = "John Doe" is a string variable.

Booleans (bool): This data type represents true/false or yes/no values. Booleans are used to simplify conditional logic and decision-making in your code. Python's bool data type can be used for variables that have only two possible states, such as login credentials being valid (True) or invalid (False).

Example: is_admin = True is a boolean variable.

In addition to these four primary data types, Python also has several other built-in data types:

Complex numbers (complex): Represented using real and imaginary parts. Lists (list): Ordered collections of values, allowing for dynamic length and mutability. Tuples (tuple): Similar to lists but immutable (once defined). Dictionaries (dict): Unordered collections of key-value pairs (key-value associations). Sets (set): Unordered collections of unique elements.

When working with data types in Python, understanding their characteristics and limitations is crucial for writing efficient and accurate code.

What are the data types in class Python?

In Python, there are several built-in data types that can be used to store and manipulate different types of data. These data types are:

Integers (int): Whole numbers, either positive, negative, or zero. Examples include 1, -2, 0.

Example:

a = 5

print(type(a)) # Output: <class 'int'>

Floats (float): Decimal numbers. These can be used to represent fractional values.

Example:

b = 3.14

print(type(b)) # Output: <class 'float'>

Complex Numbers (complex): Numbers with both real and imaginary parts.

Example:

c = complex(3, 4)

print(type(c)) # Output: <class 'complex'>

Strings (str): Sequences of characters, such as words or sentences. Strings can be enclosed in single quotes (' ') or double quotes (" ") .

Example:

s1 = 'Hello'

s2 = "World"

print(type(s1)) # Output: <class 'str'>

print(type(s2)) # Output: <class 'str'>

Boolean Values (bool): Logical values that can be either True or False.

Example:

t = True

f = False

print(type(t)) # Output: <class 'bool'>

print(type(f)) # Output: <class 'bool'>

List: A collection of items that can be of any data type, including strings, integers, floats, and other lists.

Example:

list1 = [1, 2, 3]

list2 = ["apple", "banana"]

print(type(list1)) # Output: <class 'list'>

print(type(list2)) # Output: <class 'list'>

Tuple: A collection of items that can be of any data type, including strings, integers, floats, and other tuples.

Example:

tuple1 = (1, 2, 3)

tuple2 = ("apple", "banana")

print(type(tuple1)) # Output: <class 'tuple'>

print(type(tuple2)) # Output: <class 'tuple'>

Set: A collection of unique items that can be of any data type.

Example:

set1 = {1, 2, 3}

set2 = {"apple", "banana"}

print(type(set1)) # Output: <class 'set'>

print(type(set2)) # Output: <class 'set'>

Dictionary: A collection of key-value pairs that can be used to store and manipulate data.

Example:

dictionary = {"name": "John", "age": 25}

print(type(dictionary)) # Output: <class 'dict'>

None: A special value that can be used to represent the absence of a value.

Example:

none_value = None

print(type(none_value)) # Output: <class 'NoneType'>