Ruby - Loops and Iteration
How can you use an
until loop to repeatedly ask the user for input until they type 'exit' in Ruby?How can you use an until loop to repeatedly ask the user for input until they type 'exit' in Ruby?
hard📝 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand loop condition for until
Until loop runs while condition is false; so it runs until input equals 'exit'.Step 2: Check input reading and loop logic
Input is read inside loop; loop stops when input == 'exit'.Final Answer:
input = '' until input == 'exit' do puts 'Enter command:' input = gets.chomp end -> Option BQuick Check:
Until loop with user input = A [OK]
Quick Trick: Until runs until input equals exit [OK]
Common Mistakes:
- Using wrong condition logic
- Confusing until with while
- Not updating input inside loop
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