Python If...Else

Make decisions with if, elif and else.

✍️ 3 exercises + code challenge in this lesson

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Python uses if, elif ("else if") and else for conditions. Each condition ends with a colon and its block is indented.

Combine conditions with and, or, not.
Short form: result = "Pass" if marks >= 50 else "Fail"
Use pass for an empty block.

Key Takeaways: Python If...Else

Mastering Python If...Else helps you write clean and reliable Python code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

Python If...Else Code Example

Python

marks = 78

if marks >= 85:
    grade = "A"
elif marks >= 70:
    grade = "B"
elif marks >= 50:
    grade = "C"
else:
    grade = "F"

print("Grade:", grade)
print("Result:", "Pass" if marks >= 50 else "Fail")

age, has_ticket = 20, True
if age >= 18 and has_ticket:
    print("Welcome to the event!")

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Python If...Else Practice Exercises

Check what you learned in “Python If...Else”.

/ 3 solved

Fill in the blank

Python writes "else if" as one keyword.

if x > 10:
    print("big")
 x > 5:
    print("medium")

✓ Correct! Not quite. Try again.

Multiple choice

Which keyword creates an empty block?

pass skip empty continue

✓ Correct! Not quite. Try again.

Code challenge

Print "Even" if n is even, otherwise "Odd".

Write the code in the live editor. Your answer is checked automatically.

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Python If...Else

💡 Key Takeaways: Python If...Else

Python If...Else Code Example

Python If...Else Practice Exercises

Key Takeaways: Python If...Else