Python variables types list

Python variables types list

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In Python, there are several built-in variable types that can be used to store and manipulate data. Here's a comprehensive list of Python variable types:

Example: x = 5 or y = -10

Example: z = 3.14 or w = -0.5

Example: c = 1 + 2j (where j is the imaginary unit)

Example: name = "John" or greeting = "Hello, world!"

Example: data = b'x00x01x02' (raw binary data)

Example: isAdmin = True or isAdmin = False

Example: fruits = ["apple", "banana", "cherry"] or numbers = [1, 2, 3, 4, 5]

Example: person = ("John", 30) or address = ("123 Main St", "Anytown USA")

Example: unique_chars = {"a", "b", "c"} or distinct_numbers = {1, 2, 3}

Example: person_data = {"name": "John", "age": 30} or product_info = {"brand": "Apple", "price": 999.99}

Example: x = None (indicates an uninitialized variable)

Example: a = np.full((2, 3), Ellipsis, dtype=int) ( NumPy array with default value)

These are the primary data types in Python. Understanding their characteristics and uses will help you write more efficient and effective code.

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Python variables types with examples pdf

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Python Variable Types

In Python, a variable is a name given to a value. The type of a variable determines what kind of value it can hold and what operations can be performed on it.

An integer is a whole number, either positive, negative, or zero.

Example:

x = 5  # int type
print(type(x))  # Output: <class 'int'>

A float is a decimal number.

Example:

y = 3.14  # float type
print(type(y))  # Output: <class 'float'>

A string is a sequence of characters, such as letters or digits.

Example:

name = "John"  # str type
print(type(name))  # Output: <class 'str'>

A boolean is a true or false value.

Example:

is_admin = True  # bool type
print(type(is_admin))  # Output: <class 'bool'>

A list is an ordered collection of values, which can be of any type.

Example:

fruits = ["apple", "banana", "cherry"]  # list type
print(type(fruits))  # Output: <class 'list'>

A tuple is an ordered collection of values, like a list, but it cannot be changed after creation.

Example:

colors = ("red", "green", "blue")  # tuple type
print(type(colors))  # Output: <class 'tuple'>

A dictionary is an unordered collection of key-value pairs.

Example:

person = {"name": "John", "age": 30}  # dict type
print(type(person))  # Output: <class 'dict'>

A set is an unordered collection of unique values.

Example:

numbers = {1, 2, 3, 4}  # set type
print(type(numbers))  # Output: <class 'set'>

Here is a PDF document that summarizes the variable types in Python:

Download the PDF here

Please note that this is not a comprehensive guide to Python programming, but rather an introduction to the basic data types in Python.

References:

I hope this helps! Let me know if you have any questions or need further clarification.