🌟 Day 4: Conditional Statements in Python 🌟

🎯 Objective:
Learn how to use if, elif, and else statements to make decisions in your code.

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📚 What Are Conditional Statements?
They allow your program to make decisions based on certain conditions.

age = 18
if age >= 18:
    print("You are an adult.")
else:
    print("You are a minor.")

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✅ `if` Statement
Checks a condition. If True, it runs the code inside.

num = 10
if num > 5:
    print("The number is greater than 5.")

🧭 `else` Statement
Runs when the if condition is False.

num = 3
if num > 5:
    print("The number is greater than 5.")
else:
    print("The number is not greater than 5.")

🔀 `elif` Statement
Use it to check multiple conditions.

num = 0
if num > 0:
    print("The number is positive.")
elif num == 0:
    print("The number is zero.")
else:
    print("The number is negative.")

⚠️ Important: Python uses indentation (4 spaces) to define blocks of code. Be consistent!

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🧪 Practice Exercises:

1️⃣ Check Even or Odd

num = int(input("Enter a number: "))
if num % 2 == 0:
    print("The number is even.")
else:
    print("The number is odd.")

2️⃣ Grade Calculator

score = int(input("Enter your score: "))
if score >= 90:
    print("Grade: A")
elif score >= 80:
    print("Grade: B")
elif score >= 70:
    print("Grade: C")
elif score >= 60:
    print("Grade: D")
else:
    print("Grade: F")

3️⃣ Positive, Negative or Zero

num = int(input("Enter a number: "))
if num > 0:
    print("The number is positive.")
elif num == 0:
    print("The number is zero.")
else:
    print("The number is negative.")

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🏁 Goal for Today:
✔️ Understand how if, elif, and else work
✔️ Write decision-based programs
✔️ Master proper indentation

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