Swift - CollectionsHow do you access a value for a key in a Swift dictionary?AUsing parentheses with the key, like dict(key)BUsing square brackets with the key, like dict[key]CUsing dot notation, like dict.keyDUsing angle brackets, like dict<key>Check Answer
Step-by-Step SolutionSolution:Step 1: Recall dictionary access syntaxIn Swift, dictionary values are accessed by placing the key inside square brackets after the dictionary name.Step 2: Eliminate incorrect optionsParentheses, dot notation, and angle brackets are not used for dictionary key access in Swift.Final Answer:Using square brackets with the key, like dict[key] -> Option BQuick Check:Access dictionary value = dict[key] [OK]Quick Trick: Use square brackets to get dictionary values [OK]Common Mistakes:Using parentheses instead of bracketsTrying dot notation for keysUsing angle brackets incorrectly
Master "Collections" in Swift9 interactive learning modes - each teaches the same concept differentlyLearnWhyDeepVisualTryChallengeProjectRecallTime
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