[Solved] Find the error in this Ruby code using a hash: settings = { theme: 'dark', font_size: 12 } puts settings['theme'] | Ruby

Ruby - Hashes

Find the error in this Ruby code using a hash:

settings = { theme: 'dark', font_size: 12 }
puts settings['theme']

AMissing comma between key-value pairs

BHash keys must be strings, not symbols

CUsing string key instead of symbol key causes nil output

DSyntax error due to missing curly braces

Step-by-Step Solution

Solution:

Step 1: Check hash keys and access method
The hash uses symbol keys (:theme), but the code tries to access with a string key ('theme').
Step 2: Understand the result of wrong key type
Accessing with a string key returns nil because the keys don't match.
Final Answer:
Using string key instead of symbol key causes nil output -> Option C
Quick Check:
Symbol keys need symbol access [OK]

Quick Trick: Match key types exactly when accessing hashes [OK]

Common Mistakes:

MISTAKES

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