📝 Assignment & Compound Operators

Last Updated: 15th August 2025

What is Assignment (=)?

The assignment operator = stores a value into a variable.
It simply places the value on the right into the variable on the left.

Hinglish Tip 🗣: = ka matlab hai “variable ko value dedo” — jaise x = 10 matlab x ke andar 10 daal do.

Example:

x = 10      # x now holds 10
y = 3.5     # y now holds 3.5

Compound Operator

Compound assignment operators combine an operation and assignment in one step.
Instead of writing x = x + 5, you can write x += 5.
They work for arithmetic and bitwise operations (use bitwise versions with integers).

Hinglish Tip 🗣: x += 5 ek chhota shortcut hai x = x + 5 ka.

Operator	Meaning	Equivalent Long Form
=	Assign	x = 10
+=	Add and assign	x += 5 → x = x + 5
-=	Subtract and assign	x -= 3 → x = x - 3
*=	Multiply and assign	x = 2 → x = x 2
/=	Divide and assign (float result)	x /= 4 → x = x / 4
//=	Floor divide and assign	x //= 2 → x = x // 2
%=	Modulus and assign	x %= 3 → x = x % 3
**=	Power and assign	x = 2 → x = x 2
&=	Bitwise AND and assign	x &= 3 → x = x & 3
\|=	Bitwise OR and assign	x \|= 2 → x = x \| 2
^=	Bitwise XOR and assign	x ^= 4 → x = x ^ 4
<<=	Left shift and assign	x <<= 1 → x = x << 1
>>=	Right shift and assign	x >>= 2 → x = x >> 2

Example:

x = 10
x += 5
print(x)    # Output: 15

y = 12
y -= 2      # y becomes 10

a = 4
a *= 3      # a becomes 12

b = 20
b /= 4      # b becomes 5.0   (note: division gives float)

💡 Don't worry! For Bitwise Operator ,We will cover in upcoming section.

💡 Quick Practice

num = 100 → reduce by 25 using a compound operator (one line).
x = 4 → multiply by 3 using *= and print.
val = 50 → divide by 5 using /= and show the type of result.
m = -9 → do m //= 4 and m %= 4 then print results.
Exercises

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