DevOps Classroom notes 28/Sep/2025

Python

• python is a dynamically typed language and executes the instructions line by line

Datatypes

• Refer Here for python data types
  

Operators

• Refer Here for python operators

REPL (Read evaluate print loop)

• Open terminal and type python
  
• some important built in functions
  • print
  • type
  • input
  • id

Vscode setup

• After installing vscode. open extensions
• Ensure python extension from microsoft is installed
  
• Ensure jupyter extension from microsoft
  
• Jupyter as of now can be seen as enhanced repl.
• Jupyter allows you to document and write code
• Ensure pylint is installed

Creating a new folder & create python file and jupyter notebook

• Create a new folder
• cd into folder

code .

• To create python file and notebook watch classroom video.
• To execute python files

python filename.py

Variables in python

• Variables are alias to memory locations
• Variable in python will have a name and value, in the below case x, y, z are variables

x = 5
y = 5.0
z = 'hello'

• type hints

Naming conventions

• Python has PEP 8 which is a style guide
• Most organizations these days are using Google Style guide for python

Numeric Datatypes and related operators

• Refer Here