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25 minBeginnerLesson 4/5

Conditional expressions

Complexity hide kiye bina concise one-line decisions likho.

PDF · Chapter 11.5 · p.31
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
  • Conditional Expressions 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 Conditional Expressions 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

Conditional expression do values mein se ek select karta hai. Simple assignment ke liye use karo, complex logic ke liye nahi.

Real-world connection

Ye compact label maker hai - ek clear condition par ek label choose 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

  • Complexity hide kiye bina concise one-line decisions likho.
  • 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
Sawaal
age >= 18 ?
01

Sawaal

Condition hamesha True ya False banti hai.

Runnable example

Conditional Expressions: 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

Ternary ka good use kaunsa hai?

Beginner
Coding task · 20 points

Code ko complete karo

Number 8 ke liye result even ya odd set karo.

challenge.py
Python 3.14 · 5s limit

Key takeaways

  • Conditional expression do values mein se ek select karta hai. Simple assignment ke liye use karo, complex logic ke liye nahi.
  • 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.