[Solved] Identify the error in this Swift code:let city = "Paris" city = "London" — Ans: Cannot assign to value: 'city' is a constant | iOS Swift

iOS Swift - Swift Language Essentials

Identify the error in this Swift code:

let city = "Paris"
city = "London"

AMissing semicolon after declaration

BType mismatch: expected String but found Int

CCannot assign to value: 'city' is a constant

DNo error, code runs fine

Step-by-Step Solution

Solution:

Step 1: Analyze declaration
city is declared with let, making it a constant.
Step 2: Assignment attempt
Trying to assign "London" to city is invalid because constants cannot be reassigned.
Step 3: Compiler error
The compiler will throw an error: "Cannot assign to value: 'city' is a constant".
Final Answer:
Cannot assign to value: 'city' is a constant -> Option C
Quick Check:
Constants declared with let cannot be reassigned [OK]

Quick Trick: let constants cannot be changed after initialization [OK]

Common Mistakes:

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