Ruby - Loops and Iteration
What will this Ruby code print?
result = 1
for i in 1..4 do
result *= i
end
puts resultWhat will this Ruby code print?
medium📝 Predict Output Q5 of 15
Step-by-Step Solution
Solution:
Step 1: Understand the loop and multiplication
result starts at 1 and multiplies by i for i=1 to 4.Step 2: Calculate the product
1*1=1, 1*2=2, 2*3=6, 6*4=24.Final Answer:
24 -> Option BQuick Check:
Factorial 4! = 24 [OK]
Quick Trick: Use *= to multiply and update variable inside loop [OK]
Common Mistakes:
MISTAKES- Using += instead of *=
- Starting result at 0
- Forgetting to print result
Master "Loops and Iteration" in Ruby
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