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25 minAdvancedLesson 4/5

Authentication aur API failures

Tokens, timeouts, rate limits aur failure responses safely handle 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
  • Authentication and API Failures 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 Authentication and API Failures 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

API keys aur tokens secrets hain, environment variables se load karo aur commit mat karo. 401, 403, 429 aur server failures handle karo.

Real-world connection

Token ID card hai; intended desk ko hi dikhao, public photocopy mat lagao.

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

  • Tokens, timeouts, rate limits aur failure responses safely handle 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
Request
GET /weather
01

Request

Client server se resource maangta hai.

Runnable example

Authentication and API Failures: 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

API secret kahan store hona chahiye?

Advanced
Coding task · 20 points

Code ko complete karo

Status 429 ke liye retry return karo.

challenge.py
Python 3.14 · 5s limit

Key takeaways

  • API keys aur tokens secrets hain, environment variables se load karo aur commit mat karo. 401, 403, 429 aur server failures handle 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.