Ruby - Loops and Iteration
What will this Ruby code print?
sum = 0
5.downto(3) { |i| sum += i }
puts sumWhat will this Ruby code print?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Identify the numbers in the downto loop
The loop counts down from 5 to 3: 5, 4, 3.Step 2: Sum the numbers
Sum = 5 + 4 + 3 = 12.Final Answer:
12 -> Option AQuick Check:
Sum of 5 to 3 = 12 [OK]
Quick Trick: Sum numbers inside downto block to accumulate [OK]
Common Mistakes:
MISTAKES- Adding numbers incorrectly
- Confusing upto with downto
- Off-by-one errors in range
Master "Loops and Iteration" in Ruby
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