[Solved] Identify the error in the following Ruby code snippet: h = {x: 10, y: 20} h.each do |k v| puts "#{k}: #{v}" end | Ruby

Ruby - Hashes

Identify the error in the following Ruby code snippet:

h = {x: 10, y: 20}
h.each do |k v|
  puts "#{k}: #{v}"
end

AMissing comma between block parameters <code>k</code> and <code>v</code>

BHash keys must be strings, not symbols

CThe <code>each</code> method cannot be used with <code>do-end</code>

DThe <code>puts</code> statement syntax is incorrect

Step-by-Step Solution

Solution:

Step 1: Check block parameter syntax
Block parameters must be separated by a comma inside pipes: |k, v|. Here comma is missing.
Step 2: Verify other parts
Keys as symbols are valid, each do-end is valid, and puts syntax is correct.
Final Answer:
Missing comma between block parameters k and v -> Option A
Quick Check:
Block params need comma [OK]

Quick Trick: Always separate block parameters with commas inside pipes [OK]

Common Mistakes:

Master "Hashes" in Ruby

9 interactive learning modes - each teaches the same concept differently

More Ruby Quizzes

Identify the error in the following Ruby code snippet: