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What is Variable in python programming?

A variable in Python is a named storage location that holds a value. It's like a container that you can use to store different types of data, such as numbers, text, or even more complex data structures.

Why Use Variables?

 * Flexibility: Variables allow you to store and manipulate data dynamically.

 * Readability: Well-named variables make your code easier to understand.

 * Reusability: You can use variables multiple times within your code.

How to Declare a Variable in Python

In Python, you don't need to explicitly declare a variable's data type. The interpreter automatically assigns a data type based on the value you assign to it.

# Assigning a value to a variable

x = 10

name = "Alice"

Variable Naming Conventions

 * Use meaningful names: Make your code more readable.

 * Start with a letter or underscore: Avoid numbers at the beginning.

 * Use lowercase letters and underscores: For multiple-word names (e.g., first_name).

 * Avoid keywords: Don't use reserved words like if, for, while, etc.

# Declare variables

name = "Alice"

age = 30

# Print a message using the variables

print("Hello, my name is", name, "and I am", age, "years old.")

By understanding variables and data types, you can write more efficient and expressive Python code.

For a more in-depth explanation, check out this

Video Tutorial 👉 What is Variable in Python Programming

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