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25 minIntermediateLesson 4/5

Debugging aur assertions

Bugs reproduce, isolate, inspect, fix aur verify karo.

Project-ready extension
1 · Samjho

Idea, words aur real-world use pehle padho.

2 · Karke dekho

Example run karo, phir code task solve karo.

3 · Samjhaao

Quick check aur apne notes se concept explain karo.

Is lesson ke baad
  • Debugging and Assertions ko apne words mein explain kar paana.
  • Working example ko run aur modify kar paana.
Yahin se start karo - pehle se kuch aana zaroori nahi

Kisi question ka answer dene se pehle hum samjhenge ki Debugging and Assertions ka matlab kya hai, ye kahan useful hai aur example kaise behave karta hai. Naye words aate hi explain kiye gaye hain.

Idea ko samjho

Debugging controlled process hai: failure reproduce/minimize karo, state inspect karo, hypothesis banao, ek change karo aur rerun karo.

Real-world connection

Mechanic random parts replace karne ke bajay ek-ek subsystem test karta hai.

Example ko step-by-step padho

  1. 1Program mein banaye gaye names aur values pehchaano.
  2. 2Har line ko top-to-bottom trace karo aur dekho wo kya change karti hai.
  3. 3Run Python dabane se pehle output predict karo, phir ek value change karo.

Kya yaad rakhna hai

  • Bugs reproduce, isolate, inspect, fix aur verify karo.
  • Mistake useful feedback hai: error ki last line padho, ek cheez change karo aur dobara run karo.
Interactive concept lab

Concept ko step-by-step dekho

Arrows use karke data ka safar samjho.

3D flow · 1/3
Risk waala step
int(user_input)
01

Risk waala step

Kuch operations runtime par fail ho sakte hain.

Runnable example

Debugging and Assertions: working example

Example run karo, phir ek value change karke apni understanding test karo.

example.py
Python 3.14 · 5s limit
Quick check · 10 points

Bug fix ke baad kya hona chahiye?

Intermediate
Coding task · 20 points

Code ko complete karo

Average calculation fix karke assert karo.

challenge.py
Python 3.14 · 5s limit

Key takeaways

  • Debugging controlled process hai: failure reproduce/minimize karo, state inspect karo, hypothesis banao, ek change karo aur rerun karo.
  • Is idea ko seekhne ka fastest way example ko change karke rerun karna hai.
Previous

Pass the quick check and coding task to complete this lesson.