[Solved] Find the error in this Swift code using the ternary operator:let score = 85 let grade = score >= 90 ? "A" : score >= 80 ? "B" : "C" | Swift

Swift - Operators and Expressions

Find the error in this Swift code using the ternary operator:

let score = 85
let grade = score >= 90 ? "A" : score >= 80 ? "B" : "C"

ANo error, code is correct

BIncorrect use of multiple ternary operators without parentheses

CMissing parentheses for nested ternary expressions

DUsing quotes incorrectly around letters

Step-by-Step Solution

Solution:

Step 1: Analyze nested ternary usage
Swift allows nested ternary operators without parentheses if the order is clear.
Step 2: Check syntax correctness
The code correctly assigns "B" for scores between 80 and 89, and "C" otherwise, so no syntax error exists.
Final Answer:
No error, code is correct -> Option A
Quick Check:
Nested ternary without parentheses is valid [OK]

Quick Trick: Nested ternary operators can be used without parentheses [OK]

Common Mistakes:

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