Task_11_conditional_statements.md

Task 11 - Conditional statements

if, elif, and else let your program choose different paths based on conditions. Python decides which block to run by testing each expression in order.

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Quick demo

score = 87

if score >= 90:
    grade = "A"
elif score >= 80:
    grade = "B"
elif score >= 70:
    grade = "C"
else:
    grade = "D"

print(f"Score {score} earns grade {grade}")

• Only one branch runs.
• Blocks are defined by indentation (four spaces is standard).

A shorter “one-liner” form is called a conditional expression:

is_premium_member = True
discount_rate = 0.20 if is_premium_member else 0.05
print(f"Discount: {discount_rate * 100}%")

The expression before if is the result when the condition is True; after else is the result when it is False.

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Your exercise

1. Create a file called Task_11.py.

2. Ask the user for the outside temperature with input("Temperature in °C: "), convert it to int, and store it in temp.

3. Write an if-elif-else chain that prints:

   • "Hot day" if temp is 30 or above
   • "Warm day" if temp is between 20 and 29
   • "Cool day" otherwise

4. Ask the user for their age, convert it to int, and use a conditional expression to set access_msg to "You can vote" or "You cannot vote yet". Print access_msg.

5. Run the script with several input combinations to see each branch in action.

Good indentation and clear conditions make your code easy to read and maintain.