Skip to content
Sharp

Control Flow · interview question

What does a strong engineer do when reasoning through for loops code?

Multiple choiceMediumchapter-2-curatedpremiumcontrol-flowfor-loops
python
line_totals = [19.99, 8.50, 42.00]
grand_total = 0.0
for line_total in line_totals:
    grand_total += line_total
print(grand_total)
Choose one answer
Answer and explanation

Correct answer

C. Narrate the data shape, the state changes, and the exact rule order step by step.

Why

Interviewers often use simple code to test whether you can reason through execution without bluffing.

Test yourself on Control Flow

A free test with instant, explained results. No account needed.

Start free test
All Control Flow questions →