What is a Variable

What is a Variable? — Professional Hinglish

Variable ek storage container jaisa hota hai jisme hum data store karte hain. Jaise aap kisi dabbe me saman rakhte ho, waise hi programming me variable me value rakhte hain — jaise number, text, ya koi bhi information.

Definition (Simple Professional Hinglish)

Variable ek naam diya hua memory location hota hai jisme koi bhi value store ki ja sakti hai, aur program ke dauraan us value ko change bhi kiya ja sakta hai.

Why it is called "Variable"?

Isse variable isliye kehte hain kyunki iski value change ho sakti hai. 

// C language example
int age = 20;
age = 21;    // value changed

Variable ka kaam kya hota hai?

- Data ko temporarily memory me store karna
- Stored value ko jab chahe access karna
- Program ko dynamic banana (fix value me kaam nahi chal sakta)

Real-life Example

Socho aapka "wallet" — usme paisa rakha ja sakta hai, nikala ja sakta hai, amount badal bhi sakta hai. Waise hi variable ek wallet ki tarah hota hai jisme value kabhi bhi change ho sakti hai.

Programming Example (C Language)

int number = 10;     // integer type variable
float marks = 92.5;  // decimal type variable
char grade = 'A';    // character type variable

✔ Final Professional Hinglish Line

Variable ek named memory location hota hai jo data ko store karta hai aur jiski value program ke dauraan badal sakti hai.

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