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Mary Nyandia
Mary Nyandia

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Smart Decisions with Python Conditionals: If, Elif, Else

Basic If‑Else
Conditionals let your program make decisions. Using if, elif, and else, you can handle multiple scenarios, ensuring your program responds appropriately to different inputs.

def check_number(number):
    if number > 0:
        print(number, "is positive")
    elif number < 0:
        print(number, "is negative")
    else:
        print(number, "is zero")

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Nested Conditions
You can layer conditionals to handle complex logic. This is useful for grading systems, validations, or multi‑step decision processes.

score = 85
if score >= 90:
    print("Grade: A")
elif score >= 80:
    print("Grade: B")
else:
    print("Grade: C or below")

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Importance of Conditionals
Conditionals are the backbone of interactive programs. They allow your code to adapt to situations, validate inputs, and control flow.

My Take
Conditionals make programs smart and responsive. They allow you to handle multiple scenarios, validate inputs, and control program flow effectively.

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