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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chapter 3: Arithmetic Operators - Python</title>
<style>
body {
font-family: 'Segoe UI', sans-serif;
background-color: #eef2f7;
margin: 0;
padding: 20px;
color: #333;
}
h1, h2 {
color: #2b6cb0;
text-align: center;
}
.section {
background: white;
margin: 20px 0;
padding: 20px;
border-radius: 15px;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.code-block, .output-block, .wrong-block {
font-family: monospace;
background: #f4f4f4;
padding: 10px;
border-radius: 6px;
margin-top: 10px;
white-space: pre-wrap;
}
.output-block {
background: #e6ffe6;
border-left: 4px solid #38a169;
}
.wrong-block {
background: #ffe6e6;
border-left: 4px solid #e53e3e;
}
.rule {
background: #fefcbf;
padding: 8px;
margin-top: 10px;
border-left: 4px solid #d69e2e;
border-radius: 5px;
}
/* Flexbox Layout */
.content {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
}
.section {
flex: 1 1 45%;
margin: 10px;
}
/* Responsive Styles */
@media (max-width: 768px) {
.content {
flex-direction: column;
align-items: center;
}
.section {
flex: 1 1 100%;
}
}
@media (max-width: 480px) {
h1, h2 {
font-size: 1.5rem;
}
.section {
padding: 15px;
}
}
</style>
</head>
<body>
<h1>Chapter 3: Python Operators</h1>
<h2>Part 1: Arithmetic Operators</h2>
<div class="content">
<div class="section">
<h2>1. + (Addition Operator)</h2>
<p><strong>Kya karta hai:</strong> Do numbers ya strings ko jodta hai.</p>
<div class="rule"><strong>Rule:</strong> dono values same type ki honi chahiye (int + int, str + str)</div>
<div class="code-block">
# Example 1: Adding two numbers
a = 10
b = 5
print(a + b)
</div>
<div class="output-block">
15
</div>
<div class="code-block">
# Example 2: Adding strings (concatenation)
name = "Hello "
surname = "World"
print(name + surname)
</div>
<div class="output-block">
Hello World
</div>
<div class="wrong-block">
# Wrong Example: Mixing types
a = 5
b = "hello"
print(a + b) # ❌ Error: unsupported operand type(s)
</div>
</div>
<div class="section">
<h2>2. - (Subtraction Operator)</h2>
<p><strong>Kya karta hai:</strong> Ek value ko doosri se ghatata hai (number only).</p>
<div class="rule"><strong>Rule:</strong> strings ya non-numeric types par subtraction allowed nahi hai.</div>
<div class="code-block">
a = 20
b = 7
print(a - b)
</div>
<div class="output-block">
13
</div>
<div class="wrong-block">
print("hello" - "h") # ❌ Error: unsupported operand types
</div>
</div>
</div>
<div class="content">
<div class="section">
<h2>3. * (Multiplication Operator)</h2>
<p><strong>Kya karta hai:</strong> Do numbers ko multiply karta hai ya string ko repeat karta hai.</p>
<div class="code-block">
# Multiplying numbers
print(4 * 3)
</div>
<div class="output-block">
12
</div>
<div class="code-block">
# String repetition
print("Hi " * 3)
</div>
<div class="output-block">
Hi Hi Hi
</div>
</div>
<div class="section">
<h2>4. / (Division Operator)</h2>
<p><strong>Kya karta hai:</strong> Do numbers ko divide karta hai (result always float).</p>
<div class="code-block">
print(10 / 2)
</div>
<div class="output-block">
5.0
</div>
<div class="wrong-block">
print(10 / 0) # ❌ Error: ZeroDivisionError
</div>
<div class="rule"><strong>Rule:</strong> 0 se kabhi divide mat karo – program crash karega.</div>
</div>
</div>
<div class="content">
<div class="section">
<h2>5. % (Modulus Operator)</h2>
<p><strong>Kya karta hai:</strong> Remainder return karta hai (sheshfal).</p>
<div class="code-block">
print(10 % 3)
</div>
<div class="output-block">
1
</div>
</div>
<div class="section">
<h2>6. ** (Exponentiation)</h2>
<p><strong>Kya karta hai:</strong> Power calculate karta hai (x ki power y).</p>
<div class="code-block">
print(2 ** 3) # 2 × 2 × 2
</div>
<div class="output-block">
8
</div>
</div>
</div>
<div class="content">
<div class="section">
<h2>7. // (Floor Division)</h2>
<p><strong>Kya karta hai:</strong> Divide karta hai aur result ka sirf integer part return karta hai (floor value).</p>
<div class="code-block">
print(10 // 3)
</div>
<div class="output-block">
3
</div>
<div class="rule"><strong>Note:</strong> Useful jab decimal ignore karna ho.</div>
</div>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chapter 3: Assignment Operators - Python</title>
<style>
body {
font-family: 'Segoe UI', sans-serif;
background-color: #eef2f7;
margin: 0;
padding: 20px;
color: #333;
}
h1, h2 {
color: #2b6cb0;
text-align: center;
}
.section {
background: white;
margin: 20px 0;
padding: 20px;
border-radius: 15px;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.code-block, .output-block, .wrong-block {
font-family: monospace;
background: #f4f4f4;
padding: 10px;
border-radius: 6px;
margin-top: 10px;
white-space: pre-wrap;
}
.output-block {
background: #e6ffe6;
border-left: 4px solid #38a169;
}
.wrong-block {
background: #ffe6e6;
border-left: 4px solid #e53e3e;
}
.rule {
background: #fefcbf;
padding: 8px;
margin-top: 10px;
border-left: 4px solid #d69e2e;
border-radius: 5px;
}
/* Flexbox Layout */
.content {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
}
.section {
flex: 1 1 45%;
margin: 10px;
}
/* Responsive Styles */
@media (max-width: 768px) {
.content {
flex-direction: column;
align-items: center;
}
.section {
flex: 1 1 100%;
}
}
@media (max-width: 480px) {
h1, h2 {
font-size: 1.5rem;
}
.section {
padding: 15px;
}
}
</style>
</head>
<body>
<h2>Part 2: Assignment Operators</h2>
<div class="content">
<div class="section">
<h2>1. = (Simple Assignment)</h2>
<p><strong>Kya karta hai:</strong> Variable ko value assign karta hai.</p>
<div class="rule"><strong>Rule:</strong> Variable ko ek value dena.</div>
<div class="code-block">
a = 5 # Assigning value 5 to variable 'a'
print(a)
</div>
<div class="output-block">
5
</div>
<div class="wrong-block">
# Wrong Example:
5 = a # ❌ Error: SyntaxError (left side must be a variable)
</div>
</div>
<div class="section">
<h2>2. += (Add and Assign)</h2>
<p><strong>Kya karta hai:</strong> Existing value me given number add karke, usi variable ko assign karta hai.</p>
<div class="code-block">
a = 10
a += 5 # a = a + 5
print(a)
</div>
<div class="output-block">
15
</div>
<div class="wrong-block">
# Wrong Example:
a = 5
a += "hello" # ❌ Error: unsupported operand type(s)
</div>
</div>
<div class="section">
<h2>3. -= (Subtract and Assign)</h2>
<p><strong>Kya karta hai:</strong> Existing value me given number subtract karke, usi variable ko assign karta hai.</p>
<div class="code-block">
a = 10
a -= 3 # a = a - 3
print(a)
</div>
<div class="output-block">
7
</div>
<div class="wrong-block">
# Wrong Example:
a = 5
a -= "world" # ❌ Error: unsupported operand type(s)
</div>
</div>
</div>
<div class="content">
<div class="section">
<h2>4. *= (Multiply and Assign)</h2>
<p><strong>Kya karta hai:</strong> Existing value ko given number se multiply karke, usi variable ko assign karta hai.</p>
<div class="code-block">
a = 4
a *= 3 # a = a * 3
print(a)
</div>
<div class="output-block">
12
</div>
<div class="wrong-block">
# Wrong Example:
a = "hello"
a *= 3 # okay, string ko repeat karega
print(a)
</div>
<div class="output-block">
hellohellohello
</div>
</div>
<div class="section">
<h2>5. /= (Divide and Assign)</h2>
<p><strong>Kya karta hai:</strong> Existing value ko given number se divide karke, usi variable ko assign karta hai.</p>
<div class="code-block">
a = 12
a /= 3 # a = a / 3
print(a)
</div>
<div class="output-block">
4.0
</div>
<div class="wrong-block">
# Wrong Example:
a = 0
a /= 0 # ❌ Error: ZeroDivisionError
</div>
</div>
</div>
<div class="content">
<div class="section">
<h2>6. %= (Modulus and Assign)</h2>
<p><strong>Kya karta hai:</strong> Existing value ka modulus leke, usi variable ko assign karta hai.</p>
<div class="code-block">
a = 15
a %= 4 # a = a % 4
print(a)
</div>
<div class="output-block">
3
</div>
</div>
<div class="section">
<h2>7. **= (Exponentiation and Assign)</h2>
<p><strong>Kya karta hai:</strong> Existing value ko given number ke power se raise karke, usi variable ko assign karta hai.</p>
<div class="code-block">
a = 2
a **= 3 # a = a ** 3
print(a)
</div>
<div class="output-block">
8
</div>
</div>
</div>
<div class="content">
<div class="section">
<h2>8. //= (Floor Division and Assign)</h2>
<p><strong>Kya karta hai:</strong> Existing value ko floor division karke, usi variable ko assign karta hai.</p>
<div class="code-block">
a = 10
a //= 3 # a = a // 3
print(a)
</div>
<div class="output-block">
3
</div>
</div>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chapter 3: Comparison Operators - Python</title>
<style>
body {
font-family: 'Segoe UI', sans-serif;
background-color: #eef2f7;
margin: 0;
padding: 20px;
color: #333;
}
h1, h2 {
color: #2b6cb0;
text-align: center;
}
.section {
background: white;
margin: 20px 0;
padding: 20px;
border-radius: 15px;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.code-block, .output-block, .wrong-block {
font-family: monospace;
background: #f4f4f4;
padding: 10px;
border-radius: 6px;
margin-top: 10px;
white-space: pre-wrap;
}
.output-block {
background: #e6ffe6;
border-left: 4px solid #38a169;
}
.wrong-block {
background: #ffe6e6;
border-left: 4px solid #e53e3e;
}
.rule {
background: #fefcbf;
padding: 8px;
margin-top: 10px;
border-left: 4px solid #d69e2e;
border-radius: 5px;
}
/* Flexbox Layout */
.content {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
}
.section {
flex: 1 1 45%;
margin: 10px;
}
/* Responsive Styles */
@media (max-width: 768px) {
.content {
flex-direction: column;
align-items: center;
}
.section {
flex: 1 1 100%;
}
}
@media (max-width: 480px) {
h1, h2 {
font-size: 1.5rem;
}
.section {
padding: 15px;
}
}
</style>
</head>
<body>
<h2>Part 3: Comparison Operators</h2>
<div class="content">
<div class="section">
<h2>1. == (Equal to)</h2>
<p><strong>Kya karta hai:</strong> Check karta hai ki dono values barabar hain ya nahi.</p>
<div class="rule"><strong>Rule:</strong> dono values same honi chahiye, tabhi return True hoga.</div>
<div class="code-block">
a = 5
b = 5
print(a == b) # True
</div>
<div class="output-block">
True
</div>
<div class="wrong-block">
a = 5
b = 10
print(a == b) # False
</div>
<div class="output-block">
False
</div>
</div>
<div class="section">
<h2>2. != (Not Equal to)</h2>
<p><strong>Kya karta hai:</strong> Check karta hai ki dono values barabar nahi hain.</p>
<div class="code-block">
a = 5
b = 10
print(a != b) # True
</div>
<div class="output-block">
True
</div>
<div class="wrong-block">
a = 5
b = 5
print(a != b) # False
</div>
<div class="output-block">
False
</div>
</div>
</div>
<div class="content">
<div class="section">
<h2>3. > (Greater than)</h2>
<p><strong>Kya karta hai:</strong> Check karta hai ki left value greater hai ya nahi.</p>
<div class="code-block">
a = 10
b = 5
print(a > b) # True
</div>
<div class="output-block">
True
</div>
<div class="wrong-block">
a = 5
b = 10
print(a > b) # False
</div>
<div class="output-block">
False
</div>
</div>
<div class="section">
<h2>4. < (Less than)</h2>
<p><strong>Kya karta hai:</strong> Check karta hai ki left value less hai ya nahi.</p>
<div class="code-block">
a = 3
b = 5
print(a < b) # True
</div>
<div class="output-block">
True
</div>
<div class="wrong-block">
a = 10
b = 5
print(a < b) # False
</div>
<div class="output-block">
False
</div>
</div>
</div>
<div class="content">
<div class="section">
<h2>5. >= (Greater than or Equal to)</h2>
<p><strong>Kya karta hai:</strong> Check karta hai ki left value greater ya equal hai ya nahi.</p>
<div class="code-block">
a = 5
b = 5
print(a >= b) # True
</div>
<div class="output-block">
True
</div>
<div class="wrong-block">
a = 3
b = 5
print(a >= b) # False
</div>
<div class="output-block">
False
</div>
</div>
<div class="section">
<h2>6. <= (Less than or Equal to)</h2>
<p><strong>Kya karta hai:</strong> Check karta hai ki left value less ya equal hai ya nahi.</p>
<div class="code-block">
a = 5
b = 10
print(a <= b) # True
</div>
<div class="output-block">
True
</div>
<div class="wrong-block">
a = 10
b = 5
print(a <= b) # False
</div>
<div class="output-block">
False
</div>
</div>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chapter 3: Logical Operators - Python</title>
<style>
body {
font-family: 'Segoe UI', sans-serif;
background-color: #eef2f7;
margin: 0;
padding: 20px;
color: #333;
}
h1, h2 {
color: #2b6cb0;
text-align: center;
}
.section {
background: white;
margin: 20px 0;
padding: 20px;
border-radius: 15px;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.code-block, .output-block, .wrong-block {
font-family: monospace;
background: #f4f4f4;
padding: 10px;
border-radius: 6px;
margin-top: 10px;
white-space: pre-wrap;
}
.output-block {
background: #e6ffe6;
border-left: 4px solid #38a169;
}
.wrong-block {
background: #ffe6e6;
border-left: 4px solid #e53e3e;
}
.rule {
background: #fefcbf;
padding: 8px;
margin-top: 10px;
border-left: 4px solid #d69e2e;
border-radius: 5px;
}
/* Flexbox Layout */
.content {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
}
.section {
flex: 1 1 45%;
margin: 10px;
}
/* Responsive Styles */
@media (max-width: 768px) {
.content {
flex-direction: column;
align-items: center;
}
.section {
flex: 1 1 100%;
}
}
@media (max-width: 480px) {
h1, h2 {
font-size: 1.5rem;
}
.section {
padding: 15px;
}
}
</style>
</head>
<body>
<h2>Part 4: Logical Operators</h2>
<div class="content">
<div class="section">
<h2>1. and</h2>
<p><strong>Kya karta hai:</strong> Dono conditions True hone par hi result True hota hai.</p>
<div class="rule"><strong>Rule:</strong> Dono conditions ko True hona zaroori hai.</div>
<div class="code-block">
a = 5
b = 10
print(a > 3 and b < 15) # True
</div>
<div class="output-block">
True
</div>
<div class="wrong-block">
a = 5
b = 10
print(a > 6 and b < 15) # False
</div>
<div class="output-block">
False
</div>
</div>
<div class="section">
<h2>2. or</h2>
<p><strong>Kya karta hai:</strong> Agar kisi ek condition ka result True ho to result True hota hai.</p>
<div class="rule"><strong>Rule:</strong> Agar ek condition True ho, to result True hoga.</div>
<div class="code-block">
a = 5
b = 10
print(a > 6 or b < 15) # True
</div>
<div class="output-block">
True
</div>
<div class="wrong-block">
a = 5
b = 10
print(a > 6 or b > 15) # False
</div>
<div class="output-block">
False
</div>
</div>
</div>
<div class="content">
<div class="section">
<h2>3. not</h2>
<p><strong>Kya karta hai:</strong> Condition ko invert karta hai. Agar condition True hai to False return karega, aur agar False hai to True.</p>
<div class="rule"><strong>Rule:</strong> Condition ko reverse ya negate karta hai.</div>
<div class="code-block">
a = 5
print(not a > 10) # True
</div>
<div class="output-block">
True
</div>
<div class="wrong-block">
a = 5
print(not a > 3) # False
</div>
<div class="output-block">
False
</div>
</div>
</div>
</body>
</html>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Chapter 3: Bitwise Operators - Python</title>
<style>
body {
font-family: 'Segoe UI', sans-serif;
background-color: #eef2f7;
margin: 0;
padding: 20px;
color: #333;
}
h1, h2 {
color: #2b6cb0;
text-align: center;
}
.section {
background: white;
margin: 20px 0;
padding: 20px;
border-radius: 15px;
box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.code-block, .output-block, .wrong-block {
font-family: monospace;
background: #f4f4f4;
padding: 10px;
border-radius: 6px;
margin-top: 10px;
white-space: pre-wrap;
border-left: 4px solid #38a169;
}
.code-block {
background-color: #282c34;
color: #abb2bf;
border-left: 4px solid #61dafb;
font-size: 1rem;
}
.output-block {
background: #e6ffe6;
border-left: 4px solid #38a169;
}
.wrong-block {
background: #ffe6e6;
border-left: 4px solid #e53e3e;
}
.rule {
background: #fefcbf;
padding: 8px;
margin-top: 10px;
border-left: 4px solid #d69e2e;
border-radius: 5px;
}
/* Flexbox Layout */
.content {
display: flex;
flex-wrap: wrap;
justify-content: space-between;
}
.section {
flex: 1 1 45%;
margin: 10px;
}
/* Responsive Styles */
@media (max-width: 768px) {
.content {
flex-direction: column;
align-items: center;
}
.section {
flex: 1 1 100%;
}
}
@media (max-width: 480px) {
h1, h2 {
font-size: 1.5rem;
}
.section {
padding: 15px;
}
}
</style>
</head>
<body>
<h2>Part 5: Bitwise Operators</h2>
<div class="content">
<div class="section">
<h2>1. & (Bitwise AND)</h2>
<p><strong>Kya karta hai:</strong> Dono numbers ke corresponding bits ko AND karta hai. Agar dono bits 1 hain, tab result 1 hoga.</p>
<div class="rule"><strong>Rule:</strong> Bits ko AND kiya jata hai. Agar dono bits 1 hain, result 1 hota hai.</div>
<div class="code-block">