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Variables

Variables Declaration and Reassignment Input and Output Variables Local and Global Variables Operations on Variables “Type” of a Python Variable Type Casting Variables Constants Hands On Exercise

Data Types

Python Data Types

Primitive Data Types

Compound Data Types

Lists, Tuples, Dictionaries, and Sets

Hands On Exercise

Comments

Python Comments Single-Line Comments Inline Comments Commenting Code Multiline Comments Hands On Exercise

Booleans

Python Booleans The bool() Method Evaluating Expressions Sub-Type of Int Hands On Exercise

Operators

Python Operators Arithmetic Operators Assignment Operators Comparison Operators Logical Operators Identity Operators Membership Operators Bitwise Operators Operator Precedence and Associativity Hands On Exercise

Input / Output

Python Input Python Output Hands On Exercise

Lists

Python Lists Creating Lists Accessing Lists Adding to Lists Modifying Lists Deleting from Lists List Slicing List Comprehension List Methods Hands On Exercise

Primitive Data Types

We'll cover the following

Primitive data types

Primitive data types

Primitive data types are fundamental data types in a programming language that represent simple values. For instance, numbers, strings, etc.

Integers

Integers (int): Whole numbers that don’t have decimal points or aren’t fractions.

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course_rank = 1
print("Course rank:", course_rank)

Floats

Floats (float): Numbers that have a decimal point or are in exponential form.

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value_of_pi = 3.14
print("The value of pi is:", value_of_pi)

Strings

Strings (str): Sequences of characters. The characters can be letters, numbers, symbols, spaces, or other special characters.

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our_message = "Welcome to Educative! Let's learn Python Data Variables!"
print("Our Message:", our_message)

Note: A string can be defined used single (' '), double (" "), or triple quotation marks (""" """). However, double quotation marks are the generally accepted way. Triple quotation marks are usually used for multiline strings.

Booleans

Booleans (bool): Logical operation keywords. A Boolean represents either True or False.

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is_learning_python = True
print("Python Status:", is_learning_python)

NoneType

NoneType (None): Represents the absence of a value or a null value.

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none_variable = None
print("None Variable:", none_variable)