Chapter 2.0 Variables and Data Types in Python- Technology369kk

Variables and Data Types

Variables: It is just like that a container where stored a data.  We are discuss about in details in this post. so be careful every line read. 

Introduction Variable:  

In Python, variables are used to store data and manipulated in a program. Unlike some other programming languages, Java, JavaScript, etc. Python does not require explicit declaration of a variable's type, as it is a dynamically typed language.

 

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About Variables: 

A variable in Python:

• Is a name that refers to a value.
• Acts as a container for storing data values.
• Can store different types of data such as integers, strings, lists, etc.

Example of Variables:  

# Example of variable assignment

x = 10          # Integer

name = "Shailesh"  # String

pi = 3.14       # Float

is_active = True  # Boolean

Explanation: 

In this example the variable name is on the left side and value assigned to it is on the right side.

 

Rules for Naming Variables

• Must start with a letter or an underscore (_).
• Cannot start with a number.
• Can contain letters, numbers, and underscores.
• Variable names are case-sensitive (age and Age are different).
• Avoid using reserved keywords (e.g., if, else, for).

Hope this is helpful for you.