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<p><strong>Kya karta hai:</strong> Yeh condition ko check karta hai aur agar condition true hoti hai, to block of code execute hota hai.</p>
<divclass="rule"><strong>Rule:</strong> Condition ko sahi likhna zaroori hai, agar galat likha to statement execute nahi hoga.</div>
<divclass="code-block">
# if statement example
age = 20
if age >= 18:
print("You are an adult.")
</div>
<divclass="output-block">
You are an adult.
</div>
<divclass="wrong-block">
# if statement example with wrong condition
age = 15
if age >= 18:
print("You are an adult.")
else:
print("You are not an adult.")
</div>
<divclass="output-block">
You are not an adult.
</div>
</div>
<divclass="section">
<h2>2. else Statement</h2>
<p><strong>Kya karta hai:</strong> Yeh default block hota hai jo else ke baad likha jata hai, jab condition false hoti hai.</p>
<divclass="rule"><strong>Rule:</strong> Else statement ko tabhi use karo jab condition fail ho jaaye.</div>
<divclass="code-block">
# else statement example
age = 15
if age >= 18:
print("You are an adult.")
else:
print("You are not an adult.")
</div>
<divclass="output-block">
You are not an adult.
</div>
</div>
<divclass="section">
<h2>3. elif Statement</h2>
<p><strong>Kya karta hai:</strong> Yeh else aur if ka combination hota hai. Jab ek se zyada conditions check karni hoti hain to elif ka use hota hai.</p>
<divclass="rule"><strong>Rule:</strong> elif ko tab use karo jab ek hi time pe multiple conditions check karni ho.</div>
<divclass="code-block">
# elif statement example
age = 25
if age <18:
print("You are a child.")
elif age < 30:
print("You are a young adult.")
else:
print("You are an adult.")
</div>
<divclass="output-block">
You are a young adult.
</div>
</div>
<divclass="section">
<h2>4. Nested Conditions</h2>
<p><strong>Kya karta hai:</strong> Jab ek condition ke andar doosri condition likhi jaati hai, to usse nested condition kehte hain.</p>
<divclass="rule"><strong>Rule:</strong> Nested conditions ko tab use karo jab complex decision making ho.</div>
