DevOps Classroom notes 14/Oct/2025

object oriented programming

• An object is anything which has two characteristics
  • capabilities: What it can do: These become methods
  • contents: what it has: These become members
• car
  • capabilities:
    • start
    • stop
    • drive
  • contents:
    • tyres
    • engine
• bankaccount:
  • capabilities:
    • withdraw
    • deposit
    • transfer
  • contents:
    • account number
    • balance
• movie ticket
  • capabilites:
    • attend
  • contents:
    • id
    • show time
    • theatre
• An object is a real world entity and to create objects we define Class.

Grocery

• usecases:
  • sales
  • procurement
• objects:
  • product
  • user
  • inventory
  • sale
  • bill

Define classes and creating objects in python

• Refer Here
• look at jupyter notebook and classroom recordings
• objects can be related to each other, on a broader note we have two types of relationships
  • is-a (inheritence)
  • has-a (composition)
• In python everything is directly or indirectly derived from object
• Refer Here for jupyter notebook